A major department store chain is interested in estimating the mean amount its credit card customers spent on their first visit to the chain's new store in the mall.Fifteen credit card accounts were randomly sampled and analyzed with the following results: X = $50.50 and S=0 20 , S being the standard deviation.Assuming the distribution of the amount spent on their first visit is normal, what is the shape of the sampling distribution of the sample mean that will be used to create the desired $A major department store chain is interested in estimating the mean amount its credit card customers spent on their first visit to the chain's new store in the mall.Fifteen credit card accounts were randomly sampled and analyzed with the following results: X = $50.50 and S=0 20 , S being the standard deviation.Assuming the distribution of the amount spent on their first visit is normal, what is the shape of the sampling distribution of the sample mean that will be used to create the desired confidence interval for \mu ? A)Approximately normal with a mean of $50.50 B)A standard normal distribution C)A t distribution with 15 degrees of freedom D)A t distribution with 14 degrees of freedom$ confidence interval for

\mu

?
A)Approximately normal with a mean of $50.50
B)A standard normal distribution
C)A t distribution with 15 degrees of freedom
D)A t distribution with 14 degrees of freedom

The County Clerk Wants to Estimate the Proportion of Voters

Short Answer

Correct Answer:VerifiedUnlock this answer nowGet Access to more Verified Answers free of chargeAccess For Free

Correct Answer:
Verified
Unlock this answer now
Get Access to more Verified Answers free of charge