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10. Compute the z-score for 6 hours of sleep.
A 1.04
B. 0.18
C. 0.52
D. 0.82
11. What is the probability that a randomly selected group of 35 high school students gets more than 6 hours of sieep
each night?
A. 0.3508
C. 0.0714
D. 0.4286
B. 0.1492
For number 12-14, refer to the problem below.
The amount of fuel used by jumbo jets to take off is normally distributed with a mean of 4,000 gallons and a
standard deviation of 125 gallons. A sample of 40 jumbo jets are randomly selected.
12. Compute the z-score for 3,950 gallons.
A. - 0.4
B. 0.4
C.-2.53
D.2.53​


Sagot :

Answer:

10. c

11. a

12. d

Explanation:

CarryOnLearning.

Answer:

10.c

11.a

12.d

Explanation:

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