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Ganezh [65]
3 years ago
7

The 100-meter dash times in the girls track meet were normally distributed with a mean of 13 seconds and a standard deviation of

0.3 seconds. What is the probability that a runner finished between 12.4 and 14 seconds?
Mathematics
1 answer:
Svetllana [295]3 years ago
5 0

Answer:

97.68 %

z(lower) = .0227

z(upper) = .999

Step-by-step explanation:

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