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2 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?

1 answer:

Svetllana [295]2 years ago

5 0

Answer:

97.68 %

z(lower) = .0227

z(upper) = .999

Step-by-step explanation:

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