08/17/18

solve for elements of the sample space
Suppose that for three events A, B, C in some sample space S, we know the following:• A ⊆ B (i.e. A is a subset of B)• P(A) = 0.3• P(B) = 0.5• P(C) = 0.55• P(A ∩ C) = 0.1• P(Ac ∩ Bc ∩ Cc) =... more
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08/08/18

What is the probability that a customer will complain about slow service AND the order if fulfilled on time?
The probability that a mail order company fulfills an order in the promised time of 6 weeks is .90.  If the order is fulfilled on time, the probability that the customer will complain about slow... more
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08/07/18

Probability to win on current hand and switch
You are playing a new game. The dealer has five cards, four of which are red and one is black. You must pick the black card to win. The dealer knows which one is black. He places them face-down and... more
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07/27/18

Plz help me solve this in Description thank you
Ivy finishes each puzzle with a normal distribution of times where μ = 6 minutes and σ = 14 minutes. Determine the probability of 22 completed puzzles having an average of 10 minutes or shorter.
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07/15/18

Find the probability they both function properly.
In a box of 12 light bulbs, it is known that 5 of them are defective. That is, 5 are defective and 7 function properly. We select 2 bulbs from the bag at random, without placement.
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07/15/18

Suppose five students are randomly selected. Find the probability that at all five students will pass the proficiency exam.
The No Child Left Behind (NCLB) Act of 2001 mandates that by the year 2014, each public school must achieve 100% proficiency. That is, every student must pass a proficiency exam or the school faces... more
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05/20/18

6. A psychology professor of a large class became curious as to whether the students who turned in tests first scored differently from the overall mean on the t
6. A psychology professor of a large class became curious as to whether the students who turned in tests first scored differently from the overall mean on the test. The overall mean score on the... more
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05/15/18

Fredrick's coins
fredrick has 8 coins in his pocket, consisting of 5 quarters and 3 nickels. If fredrick pulls 2 coins out without replacement, what is the probability that they will both be quarters or they will... more
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03/15/18

The mean Algebra 2 test score is 81.5, with a standard deviation of 5.1. There are 130 students taking the course. Assuming a normally distributed curve, how ma
how many students scored below 76.4? Please explain ! 
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03/13/18

Algebra 2 help
A manufacturing company wants to keep their revenue positive. The equation for C(x) represents their cost, where x represents the time in months. The equation for P(x) represents their profit. The... more
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03/12/18

Find the probability that they both select a poodle.
A pet store has 11 puppies, including 5 poodles, 3 terriers, and 3 retrievers. If Rebecka selects one puppy at random, the pet store replaces the puppy with a puppy of the same breed, then Aaron... more
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01/22/18

ALGEBRA 2 PROBOBILTY QS
Spyder owns 12 pairs of shoes and is selecting the ones he will throw away. how many differnt ways can spyder choose a group of 5 pairs of shoes to throw away?
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11/16/17

The total age of amy and dom was 64 years and amy is two years older than don
1) write equatfor the sum of their ages and the difference in their ages 2)solve your equations simultaneously  3)how old were amy and dom?
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09/27/17

Algebra 2 probability!
A large college class has 54 women and 42 men as students. 10 of the students are chosen at random.a) What is the probability that the group of 10 will include 5 women and 5 men. Answer to 4... more
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09/21/17

Standard Deviation-Algebra 2 help!!!
14.) Over 350 students took a college calculus final exam. The scores of the students follow a normal distribution. Using the information given below, determine the mean and the standard deviation... more
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09/10/17

Write and simplify an expression for the total cost of stock, Let A be the number of Company A shares.
You purchase 45 shares of stock, investing in three different companies. Company A stock is $15 per share, Company B stock $12 per share, and Company C $18 per share. You purchase twice as many... more
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07/05/17

Revenue and Cost Functions
A company that manufactures running shoes has a fixed cost of $300,000. Additionally, it costs $30 to produce each pair of shoes. They are sold at $80 a pair.Write the cost function, C, of... more
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07/05/17

Equation in slope intercept form
Equation in slope intercept form (-10,-1); y=3/5x-11
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07/05/17

Statistics word problem
In a survey amongst freshmen at StudyMore College, the average number of hours spent studying for their math class was 15.4 hours per week with a standard deviation of 2.65. Assuming the population... more
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07/05/17

People at the state fair were surveyed about which type of lemonade they preferred ?
The results are shown below. Pink lemonade: 156 males, 72 females Yellow lemonade: 104 males, 48 females The events "prefers pink lemonade” and "female” are independent because.
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07/05/17

Equation in slope intercept form
Equation in slope intercept form (-10,3);y=5x-7
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07/05/17

Statistics word problem
A battery pack manufacturer claims their product will run two cell phones playing Pokemon go an average of 12 hours with a standard deviation of 2.4 hours. A random sample of 40 battery packs is... more
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06/28/17

Rational Expression Word Problem
Jamar and Kerry are laying a hardwood floor. Working alone, Jamar can do the job in 20 hours. If the two of them work together, they can complete the job in 12 hours. How long would it take Kerry... more
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06/28/17

what is the probability of drawing 4 tiles that spell MATH out of 26 tiles containing the whole alphabet?
i have 26 letter tiles a-z ?probability of drawing 4 letters to spell MATH
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06/26/17

A candy company packages jelly beans according to the following distribution; N(4,0.5)^2 What percent of candy bags will weigh 3.5 to 4.5 grams
Really need an answer for this question given as soon as possible, i have an exam coming up shortly and i dont know the answer to this
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