08/31/22

Solve for f(-1)
F(x)=-3x+3F(-1)
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08/31/22

Algebra 2 Question
A group of students take a test and the average score is 66. One more student takes the test and receives a score of 82 increasing the average score of the group to 68. How many students were in... more
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08/06/22

Using same tutor for all sessions
Is it possible to use the same tutor for every session?
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09/05/21

If Pr(A) =0.5 and Pr(B)=0.5. Which statement about Pr(A∩B) is true?
a) Pr(A∩B) >= 0.3b) Pr(A∩B) <= 0.3c) Pr(A∩B) = 0.5d) None of the options
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06/22/21

What is the expected height (in inches)?
Heights (in inches) obtained by a group of people in a random survey are reported in the following... more
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06/15/21

find y' and y''

y = (square root x) (ln(x))please show all work and then explain in comments, thank you!
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06/09/21

Hello I am new to wyzant. I heard that you guys help. Please let this be true. Please help me with my math homework soon please!
Each of 5 boys randomly chooses a watch from 12 different styles. What is the probability that at least 2 boys choose the same type of watch? A.) ≈ 0.5387B.) ≈ 0.7387C.) ≈ 0.3819D.) ≈ 0.6181help
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03/13/21

Complete this activity. Include all of your work in your final answer. Submit your solution. Given: f(x) = x 2 + 2x + 1, find f(x + h) and simplify.
i need help to figure out this equation for the answer.
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03/12/21

Identify the exact point of removable discontinuity for the function: h(x)=x^2-4x-12/?
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02/01/21

Approximately 10% of all people are left-handed. Consider a grouping of fifteen people. b.) Write the probability distribution.
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11/28/20

Statistic and Probability - What type of distribution can be use to compute this data below?
I would like to know which type of data distribution can be use to compute PMF and Goodness of Fit test for this data?I got this set of data: So far, what is the highest amount of money you have... more
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11/10/20

Statistics hypothesis testing

Suppose are running a study/poll about the probability of a true negative on a test for a certain cancer. You randomly sample 140 people and find that 52 of them match the condition you are... more
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11/09/20

DATA ANALYSIS ENGINEERING

The prevalence of a certain type of cancer among women aged 50–60 is 1 in 150. A bloodtest will be positive 98% of the time if the cancer is present, but is also positive 7% of thetime if the... more
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11/06/20

A random sample of 250 voters is chosen from a list of 10,000 registered voters. Let X be the number who support the incumbent mayor for reelection.
determine whether the random variable X has a binomial distribution. If it does, state the number of trials n. If it does not, explain why not.
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11/04/20

The middle 50% of IQs fall between what two values?
IQ is normally distributed with a mean of 100 and a standard deviation of 15. The middle 50% of IQs fall between what two values?
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11/03/20

I keep getting this wrong please help

Complete this activity. Include all of your work in your final answer. Submit your solution. Given: f(x)=x^2+2x+1, find f(x+h)and simplify
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11/03/20

If nine less than six times a number lies between 31 and 37, what is the number?
I honestly have no idea what this means
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11/03/20

PLEASE HELP FAST!!!!!! AND SHOW HOW!!!!!!!
Solve by elimination x^2+5x+y-10=0x^2-x-y+3=0The solutions are (-3.14, 1,12) and (3,12,15.86)The solutions are (-1.12, -3.14) and (-15.86, 3.12)The solutions are (3.14, -1.12) and (15.86, 3.12)The... more
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11/03/20

I desperately need help and answers to all sections please. This does not make any sense to me.
6.42 Evolution versus Creationism:  A Gallup Poll released in December 2010 asked 1019 adults living in the Continental U.S. about their belief in the origin of humans. These results, along with... more
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10/31/20

What is the probability of drawing a heart from a deck of cards on the first draw and not drawing a heart on the second draw without replacement?
What is the probability of drawing a heart from a deck of cards on the first draw and not drawing a heart on the second draw without replacement?
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10/31/20

A company charges ​$20 to make one monogrammed​ shirt, but reduces this cost by​ $0.10 per shirt for each additional shirt ordered up to 100 shirts.
I need help as soon as possible. I cant figure this out
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10/30/20

If A is 15% larger than B the ratio of A to B is
Select one:a. 1.15b. 2.15c. 0.15d. 85%e. Cannot be determined from this information
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10/30/20

What me again? Yes

Given t(x)=4x+32 and v(x)=x-8, what is (t+v)(x)
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10/28/20

please answer fast
sarah said took the advertising department from her company on a round-trip to meet with a potential client. including Sarah a total of 15 people took the trip. she was able to purchase Coach... more
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10/28/20

A mid-sized food distributor has between $1 million and $1.2 million in revenue per week over the past several years. Suppose the probability of making more than $1.2 million a week is .05:
a) What is the probability of selecting ten weeks and finding that none of those weeks had revenues over $1.2 million?b) What is the probability of selecting 5 random weeks and finding that... more
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