A running relay team ran a 400 meter race in a record-setting time of 36 seconds. What was their average speed to the nearest te
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Answer:
Step-by-step explanation:
Since the number of residents within five miles of each of your stores is asymmetrically distributed, the distribution of the sample means will be approximately normal with a mean of 25 thousand.
The standard deviation of the sample means is:
The z value is
We plug in the values to get:
The area to the right of 1.87 is .
The probability that the average number of residents within five miles of each store in a sample of 50 stores will be more than 27.8 thousand is 3.07%
See attachment.
