Mathematics, 18.01.2021 14:00, ayoismeisalex
The mean amount purchased by a typical customer at Churchill's Grocery Store is $27.50 with a standard deviation of $7.00. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 68 customers, answer the following questions
a. What is the likelihood the sample mean is at least $30.00?
b. What is the likelihood the sample mean is greater than $26.50 but less than $30.00?
c. Within what limits will 90 percent of the sample means occur?
Answers: 1
Mathematics, 21.06.2019 21:00, kaylaamberd
What is the value of m in the equation 1/2 m - 3/4n=16 when n=8
Answers: 1
The mean amount purchased by a typical customer at Churchill's Grocery Store is $27.50 with a standa...
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