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$1.00 statistic
- From Business: General-Business , Mathematics: Statistics
- Closed, but you can still post tutorials
- Due on Oct. 31, 2009
- Asked on Oct. 29, 2009 at 11:32:54AM
Q:38. 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.
1. What is the likelihood the sample mean is at least $25.00?
2. What is the likelihood the sample mean is greater than $22.50 but less than $25.00?
3. Within what limits will 90 percent of the sample means occur?
