(ANSWER) MATH 225N WEEK 5 ASSIGNMENT:THE CENTRAL LIMIT THEOREM FOR PROPORTIONS - Essay Prowess
Do You Have an online Class? Email us [email protected]

# (ANSWER) MATH 225N WEEK 5 ASSIGNMENT:THE CENTRAL LIMIT THEOREM FOR PROPORTIONS

$5.90 Email: [email protected] Whatsapp: +1 (281) 746-9715 BUY answers at online$5

Categories: ,

## Question 1

A dental student is conducting a study on the number of people who visit their dentist regularly. Of the 520 people surveyed, 312 indicated that they had visited their dentist within the past year.

Find the population proportion, as well as the mean and standard deviation of the sampling distribution for samples of size n=60.

Round all answers to 3 decimal places.

p=

Up=

Op=

## Question 2

Economists are analyzing the effects of new tax policies on population growth. From recent census data, it is known that the proportion of families in the United States who have more than 3 children in the household is 26%. For a random sample of 50 families, what is the standard deviation for the sampling distribution of the sample proportions, rounded to three decimal places?Provide your answer below:

## Question 3

A credit card company surveys its customers to determine the number of times they use the card each month. There are 5,500 customers and 2,756 indicate that they use the card at least twice each month.

Find the population proportion, as well as the mean and standard deviation of the sampling distribution for samples of size n=70 customers.

Round all answers to 3 decimal places.

## Question 4

A marketing team is targeting people who might buy a hybrid car. In their city, with a population of 30,000 people, 3,170 people either drive a hybrid car or have indicated on a recent survey that they would be interested in driving one.

Find the population proportion, as well as the mean and standard deviation of the sampling distribution for samples of size n=121.

Round all answers to 3 decimal places.