9. At soccer practice, Joan kicked the ball 22 feet. This was 3 feet shorter than Joe kicked the ball. Write and solve a subtrac
1 answer:
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Answer:
The answer is 60.11
Step-by-step explanation:
An adult person receives 425 pieces of mail each year with a standard deviation of 50.
Now, we have the following details :
Mean of sample = 425
sigma = 50
Standard error =
= = 60.11