The mean amount purchased by a typical customer at Churchills Grocery Store is $23 50, with a standard deviation of $5 00 Assume the distribution of amounts purchased follows the normal distribution For a sample of 50 customers, answer the following questions a What is the likelihood the sample mea...

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The mean amount purchased by a typical customer at Churchills Grocery Store is $23.50, with a standard

Question:

The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50, with a standard deviation of $5.00. Assume the of amounts purchased follows the normal For a sample of 50 customers, answer the following questions.
a. What is the likelihood the sample mean is at least $25.00?
b. What is the likelihood the sample mean is greater than $22.50 but less than $25.00?
c. Within what limits will 90% of the sample means occur?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...