WyzAnt Answershttps://www.wyzant.com/resources/answers/questions?f=new-answersAsk questions and get free answers from professional tutorsSat, 10 Oct 2015 02:55:05 -0500https://www.wyzant.com/images/WyzAnt_white200.gifWyzAnt Answershttps://www.wyzant.com/resources/answers/questions?f=new-answershttps://www.wyzant.com/resources/answers/questions?f=new-answers324326https://www.wyzant.com/resources/answers/79957/three_complicated_statistics_normal_distribution_questionsSierra from Hollywood, FLhttps://www.wyzant.com/resources/answers/users/view/85608977Statistics QuestionNormal DistributionStatsStatisticsThree complicated statistics (Normal Distribution) questions<div>1) The lengths in minutes of feature films for the current year follow a normal distribution with a mean of 109 minutes and a standard deviation of 12 minutes. What percentage of feature films in the current year last longer than two hours (120 minutes)?<br /><br />2) The scores on a particular test are normally distributed with mean of 73 and standard deviation 5. What score would a student need to be among the top 10% of all test scores?<br /><br />3) Explain when the Central Limit Theorem needs to be used to answer a normal probability question. Is the case of n = 1 included in the Central Limit Theorem?</div>Sat, 21 Feb 2015 13:02:08 -06002015-02-21T13:02:08-06:00390544https://www.wyzant.com/resources/answers/151407/find_the_derivative_g_x_cosh_ln_xJessica from Brentwood, CAhttps://www.wyzant.com/resources/answers/users/view/85570493CalculusFind the derivative. g(x) = cosh(ln(x)) <div>Please help me </div>Sat, 10 Oct 2015 00:03:56 -05002015-10-10T00:03:56-05:00390553https://www.wyzant.com/resources/answers/151409/probability_helpSierra from Mooresville, INhttps://www.wyzant.com/resources/answers/users/view/85991955ProbabilityStatisticsProbability & StatisticsProbability help! <div>A coin with .57 probability for a head is flipped 3 times. A)what is the probability of obtaining exactly one head </div>
<div>b)what is the probability of obtaining exactly two tails </div>Sat, 10 Oct 2015 01:28:15 -05002015-10-10T01:28:15-05:00390536https://www.wyzant.com/resources/answers/151401/find_the_differential_of_each_function_a_y_tan_sqrt3tJessica from Brentwood, CAhttps://www.wyzant.com/resources/answers/users/view/85570493CalculusFind the differential of each function. (a) y= tan(sqrt3t)<div>Please help me </div>Fri, 09 Oct 2015 23:29:59 -05002015-10-09T23:29:59-05:00390543https://www.wyzant.com/resources/answers/151405/find_the_differential_of_each_function_y_2_v_2_2_v_2Jessica from Brentwood, CAhttps://www.wyzant.com/resources/answers/users/view/85570493CalculusFind the differential of each function. y = (2-v^2)/ (2 + v^2) <div>Please help me </div>Sat, 10 Oct 2015 00:03:25 -05002015-10-10T00:03:25-05:00324641https://www.wyzant.com/resources/answers/80331/trying_to_find_the_time_traveling_by_bikeLyndia from Portland, ORhttps://www.wyzant.com/resources/answers/users/view/85611494Trying to find the time traveling by bike<div>After cycling at a steady rate for 60 miles, Cecil had a flat tire. He walked 8 miles to a repair shop. Cecil's cycling rate was 3 times faster than this walking rate. If the time spent cycling and walking was 7 hours, at what rate was 'Cecil riding his bike?</div>Sun, 22 Feb 2015 17:25:54 -06002015-02-22T17:25:54-06:00390419https://www.wyzant.com/resources/answers/151327/math_equation_neededPatrick from Needham, MAhttps://www.wyzant.com/resources/answers/users/view/86032889Math ProblemMath equation needed<div>frog is in well 78 meters deep. He jumps 4 feet each day, when he sleeps he loses 2 meters. How many days will it take him to get to the top / basic equation?</div>Fri, 09 Oct 2015 15:21:17 -05002015-10-09T15:21:17-05:00268640https://www.wyzant.com/resources/answers/31819/statistic_questionsNick from New York, NYhttps://www.wyzant.com/resources/answers/users/view/85086882StatisticsMathStatistic Questions? <div>In a poll of 212 prison wardens, 98 said that tattoos are a sign of trouble. Find the sample proportion who think tattoos are a sign of trouble. <br /><br /><br />Using the problem above, to test the claim that less than half of all prison wardens think tattoos are a sign of trouble, write the null and alternative hypothesis. <br /><br /><br />Using the problem above, find the value of the test statistic. <br /><br /><br />Find the P-value for the test statistic you just found. <br /><br /><br />Test the claim at the .01 significance level and state whether the null hypothesis is rejected or not. <br />State the conclusion for the claim that less than half of prison wardens dislike tattoos.</div>Tue, 08 Apr 2014 22:49:42 -05002014-04-08T22:49:42-05:00390541https://www.wyzant.com/resources/answers/151403/if_d_2_is_an_odd_number_what_is_the_preceding_odd_numberChristina from Austin, TXhttps://www.wyzant.com/resources/answers/users/view/86033518Algebra HelpAlgebraic ExpressionIf d + 2 is an odd number, what is the preceding odd number?<div>Answer the question with an algebraic expression:</div>
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<div>If d + 2 is an odd number, what is the preceding odd number?</div>Fri, 09 Oct 2015 23:51:29 -05002015-10-09T23:51:29-05:00390434https://www.wyzant.com/resources/answers/151337/use_the_area_of_a_rectangle_and_the_distributive_property_to_find_each_product_35_215_18Kathy from Country Club Hills, ILhttps://www.wyzant.com/resources/answers/users/view/86032953Distributive PropertyUse the area of a rectangle and the distributive property to find each product. 35×18<div>Use the area of a rectangle and the distributive property to find each product</div>Fri, 09 Oct 2015 15:57:43 -05002015-10-09T15:57:43-05:00390479https://www.wyzant.com/resources/answers/151373/what_would_the_philosopher_immanuel_kant_say_about_marriage_fraud_and_undocumented_immigrantsMeiYue from Brooklyn, NYhttps://www.wyzant.com/resources/answers/users/view/86033181PhilosophyEducationMoralityWhat would the philosopher Immanuel Kant say about Marriage Fraud and undocumented immigrants?<div>Let's say you know a woman. She is an undocumented Immigrant from China, who wants to get married so she can go back to China to see her children (who she hasn't seen in 10 years). She works in a nail salon for 50 to 70 hours a week and send most of her money back home to her children. She is a decent woman, kind and helpful to others, volunteering in her community. You've known her for 5 years and believe she would be an exemplary American Citizen. She has saved money in order to pay someone to marry her, even though you would expect nothing. You live alone, have no spouse or dependents, and you think this marriage would be the moral thing to do. What would Kant say about this? </div>Fri, 09 Oct 2015 18:22:04 -05002015-10-09T18:22:04-05:00390532https://www.wyzant.com/resources/answers/151397/the_ratio_of_soccer_players_for_each_football_players_is_4_to_1_what_are_two_other_ratios_to_show_there_are_4_more_soccer_players_than_football_playersRenee from Massapequa, NYhttps://www.wyzant.com/resources/answers/users/view/86033459Math Problemthe ratio of soccer players for each football players is 4 to 1. what are two other ratios to show there are 4 more soccer players than football players?<div>the ratio of soccer players for each football players is 4 to 1. what are two other ratios to show there are 4 more soccer players than football players?</div>Fri, 09 Oct 2015 22:39:04 -05002015-10-09T22:39:04-05:00390496https://www.wyzant.com/resources/answers/151383/a_circle_has_radius_of_12ft_what_is_its_circumference_use_3_14_for_p_and_do_not_round_your_answer_be_sure_to_include_the_correct_unit_in_your_answerAngelina from Hialeah, FLhttps://www.wyzant.com/resources/answers/users/view/86033213Math HelpMath Word ProblemMathMath Help For CollegeMath QuestionMath ProblemA circle has radius of 12ft What is its circumference?Use 3.14 for p and do not round your answer Be sure to include the correct unit in your answer.<div>HELP pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee</div>Fri, 09 Oct 2015 18:57:21 -05002015-10-09T18:57:21-05:00335950https://www.wyzant.com/resources/answers/92919/statistics_problem_need_helpJeff from Troy, OHhttps://www.wyzant.com/resources/answers/users/view/85606916StatisticsStatistics QuestionHelping OthersStatistics Problem Need Help! <div>The time it takes a symphony orchestra to play Beethovens Ninth Symphony has a normal distribution with a mean of 64.3 minutes and a standard deviation of 1.15 minutes. The next time it is played what is the probability that it will take between 62.5 and 67.7 minutes? </div>Thu, 26 Mar 2015 18:32:03 -05002015-03-26T18:32:03-05:00390384https://www.wyzant.com/resources/answers/151295/math_help_algebraLindsey from Raleigh, NChttps://www.wyzant.com/resources/answers/users/view/86025028Math HelpAlgebra 1math help. Algebra<div>1. An architect built a scale model of a shopping mall. On the model, a circular fountain is 15 inches tall and 7.5 inches in diameter. If the actual fountain is to be 10 feet tall, what is its diameter?</div>
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<div>2. Hidemi is a waiter. He waits on a table of 4 whose bill comes to $90.27. If Hidemi receives a 15% tip, approximately how much will he receive? </div>
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<div>3. Salar's Drama class is performing a play. He wants to buy as many tickets as he can afford. If tickets cost $3.50 each and he has $15.25 to spend, how many tickets can he buy? </div>
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<div>4. A man that is 6 feet tall casts a shadow 5 feet long. At the same time, a lamppost beside the man casts a shadow 25 feet long. How tall is the lamppost? </div>
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<div>5. The fuel for a chain saw is a mix of oil and gasoline. The ratio of ounces of oil to gallons of gasoline is 4:12. There are 24 gallons of gasoline. How many ounces of oil are there? </div>Fri, 09 Oct 2015 12:53:55 -05002015-10-09T12:53:55-05:00390382https://www.wyzant.com/resources/answers/151293/sketch_the_graph_of_the_function_y_x_2_x_3_x_5Shonna from New Orleans, LAhttps://www.wyzant.com/resources/answers/users/view/86032269Need Help With 4 Homework ProblemsSketch the graph of the function: y=(x-2)(x-3)(x+5)<div>Sketch the graph of the function: y=(x-2)(x-3)(x+5)</div>
<div>1. Determine the end behavior of the function.</div>
<div>2. Find all x-intercepts.</div>
<div>3. Find all y-intercepts.</div>
<div>4. Use the x-intercepts to divide the x axis into intervals.</div>
<div>5. Choose at least one point within each interval to show whether function is positive or negative.</div>
<div>6. Sketch the graph.</div>
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<div>2. If f(x)=4x-1 and g(x)=5x, what is (fog)(7)?</div>
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<div>3. What two end behaviors are true of the following function?</div>
<div> h(t)=2t^4 - t^3 +6t^2 +2t-8</div>
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<div>To solve the following quadratic by completing the square, what value would you add to both sides of the equation?</div>
<div>x^2 - 6x =7</div>Fri, 09 Oct 2015 12:46:00 -05002015-10-09T12:46:00-05:00296517https://www.wyzant.com/resources/answers/54855/help_std_dev_mode_and_meanAlexandra from Mars Hill, NChttps://www.wyzant.com/resources/answers/users/view/85392167StatisticsStatistics QuestionStandard DeviationModeMeanRangeHELP!! std. dev, mode and mean.<div>There are 5 participants in a study. All I have are some statistics to find out the individual numbers for the 5 people. The mean is 8, the standard deviation is 4, the mode is 5 and the range is 12. Can you figure out what the 5 numbers are? An explaination would also be great!</div>Sun, 19 Oct 2014 19:40:15 -05002014-10-19T19:40:15-05:00390002https://www.wyzant.com/resources/answers/150959/my_question_about_computer_science_programe_language_cRishabh from Young America, MNhttps://www.wyzant.com/resources/answers/users/view/86030286Computer Sciencemy question about computer science programe language c<div>write a programe in c language to generate the given series upto terms less than 200</div>
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<div> 1-4+9-16+25...............</div>Thu, 08 Oct 2015 10:53:06 -05002015-10-08T10:53:06-05:00390386https://www.wyzant.com/resources/answers/151299/short_answerHailey from Lithia Springs, GAhttps://www.wyzant.com/resources/answers/users/view/86025007FunctionMoneyShort Answer<div>A dvd store charges $4.70 for each day, d, a dvd is rented. The store also gives you a dollar off if the dvd is returned before 5 days.<br /><br />a. write a rule to represent the rental charges C<br /><br />b. How much will you pay if you return the dvd after 4 days? 7 days?</div>Fri, 09 Oct 2015 12:57:14 -05002015-10-09T12:57:14-05:00390441https://www.wyzant.com/resources/answers/151347/the_chemical_analysis_of_a_compound_shows_that_it_contains_30_0_by_mass_c_7_5_by_mass_h_and_62_5_by_mass_asC from West Roxbury, MAhttps://www.wyzant.com/resources/answers/users/view/86032958ChemistryThe chemical analysis of a compound shows that it contains 30.0% by mass C, 7.5% by mass H, and 62.5% by mass As.<div>What is simplest formula for a molecule of this compound?</div>
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<div>Available options:</div>
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<div><br /> <br /><br />AsC4H7 <br /> <br /><br /> As2C3H9 <br /> <br /><br />AsC3H9 <br /> <br /><br />As2C6H18<br /> <br /><br />AsC5H9</div>Fri, 09 Oct 2015 16:02:18 -05002015-10-09T16:02:18-05:00