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n=10 X={4 8 38 47 54 56 59 62 66 71}> create a frequency distribution of the data using the 5-step process

>> 2.Using the same data that is given in question 2 find the following

> values assume you are given sample data not population:

>> 1. Mean> 2. Standard Deviation> 3.A cell phone salesperson has kept records on the customers who

> visited the store. 40% of the customers who visited the store were female.

> Furthermore

> the data shows that 35% of the females who visited his store purchased

> a cell phone. Let A1 represent the event that a customer is a female

> A2 represent the event that a customer is male and B represent the

> event that a customer will purchase a cell phone.

>

> 1. What is the probability that a female customer will purchase a phone?> 2. What is the probability that a male customer will purchase a phone?> 3. The salesperson just informed us that a cell phone was

> purchased. What is the probability that customer was female?> 4. Using the following data find the probabilities listed in parts a

> b and c below. A laundry basket has 20 articles of clothing: 4

> shirts 8 pants and 8 sweaters.

>

> 1. What is the probability that you will pull a pair of pants out of the

> laundry basket on the first try?

>

2. What is the probability that you will pull out a sweater and then

> without putting the sweater back in the basket you pull out a

> pair of pants

> from the laundry basket?

>

> 5. Studies show that 5% of new cars require warranty service within

> the first year. Yesterday Jones Nissan sold 8 cars. (Hint:

> Binomial)

>

> 1. What is the probability that none of the cars require service?> 2. What is the probability that at least one car will require service?

> (Hint: Subtract the values of X that are missing from 100%)> 3. Find the mean and standard deviation of this distribution.