1. value: 10.00 points It is claimed that Proactine, a new medicine for acne, is
tutor4helpyou1.
value:
10.00 points
It is claimed that Proactine, a new medicine for acne, is 75 percent effective. It is applied to the affected area of a group of 15 people. Calculate the probability for the following (Round your answers to 3 decimal places): |
(a) | All 15 will show significant improvement |
Probability |
6.
value:
10.00 points
The manager of Tee Shirt Emporium reports that the mean number of shirts sold per week is 1,170 with a standard deviation of 315. The distribution of sales follows the normal distribution. |
What is the likelihood of selecting a sample of 25 weeks and finding the sample mean to be 1,100 or less?(Round z value to 2 decimal places and final answer to 4 decimal places.) |
Probability | [removed] |
7.
value:
10.00 points
The manager of Tee Shirt Emporium reports that the mean number of shirts sold per week is 1,210, with a standard deviation of 325. The distribution of sales follows the normal distribution. |
What is the likelihood of selecting a sample of 25 weeks and finding the sample mean to be 1,100 or less?(Round z value to 2 decimal places and final answer to 4 decimal places.) |
Probability | [removed] |
11 years ago
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