If there is 23 classrooms and each has 10 then you would have to times 23 by 10 - 23x10=230
Answer: 0.4758
Step-by-step explanation:
Given : Mean :
Standard deviation :
Also, the new population of pilots has normally distributed .
The formula to calculate the z-score :-
For x=130 lb .
For x=171lb.
The p-value =
Hence, the required probability : 0.4758
First one b ≤ 9 good luck
Answer:
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