57 234
Assignments Done
99%
Successfully Done
In February 2018
Your physics homework can be a real challenge, and the due date can be really close — feel free to use our assistance and get the desired result.
Be sure that math assignments completed by our experts will be error-free and done according to your instructions specified in the submitted order form.

# Answer on Statistics and Probability Question for Andre Stabile

Question #17247

The mean amount purchased by a typical customer at Churchill&#039;s Grocery Store is $21.00 with a standard deviation of$7.00. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 42 customers, answer the following questions.

(a)

What is the likelihood the sample mean is at least $22.50? (Round z value to 2 decimal places and final answer to 4 decimal places.) Probability (b) What is the likelihood the sample mean is greater than$20.00 but less than \$22.50? (Round z value to 2 decimal places and final answer to 4 decimal places.)

Probability

(c)

Within what limits will 99 percent of the sample means occur? (Round your answers to 2 decimal places.)

Sample mean

and

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!