Computation of Probability value using Normal Distribution
Nonfiction, Social & Cultural Studies, Social Science, Statistics
| Author: | Homework Help Classof1 | ISBN: | 1230000129653 |
| Publisher: | Classof1 | Publication: | May 2, 2013 |
| Imprint: | Language: | English |
| Author: | Homework Help Classof1 |
| ISBN: | 1230000129653 |
| Publisher: | Classof1 |
| Publication: | May 2, 2013 |
| Imprint: | |
| Language: | English |
"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 $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 percent 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 $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 percent of the sample means occur?
"
