Answer:
What fractional part of a pie will each get
each will get 1/8
To answer (a), we will need to find the Z value for 710 hours and 990 hours.


B) 68% of data lies between one standard deviation of the mean.
850 +70 = 920
850 - 70 = 780
-12 and 18
hope this helps :)
Answer:
option c.
n=12
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