Homework Soursethe mean amount purchased by a typical customer at Churchill
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 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 mean is at least $24.00?
B) what is the likely hood the smaller mean is greater than $24.00 but less than $25.00?
C) within what limits will 95% of the sample means occur?
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 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 mean is at least $24.00?
B) what is the likely hood the smaller mean is greater than $24.00 but less than $25.00?
C) within what limits will 95% of the sample means occur?
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 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 mean is at least $24.00?
B) what is the likely hood the smaller mean is greater than $24.00 but less than $25.00?
C) within what limits will 95% of the sample means occur?
Solution
