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1 answer:
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Answer: 2.28 %
Step-by-step explanation:
Given : Mean :
Standard deviation :
The formula to calculate the z-score :-
For x = 72
The p-value =
In percent,
Hence, the percentage of pediatricians work more than 72 h per week = 2.28 %
Answer:
[ ] where n is the number of hours.
Because the beginning will 10000/2 = 50000, then it keeps double the dividing the time.