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A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 49.0 and 54.0 minutes. Find the probability that a given class period runs between 50.75 and 51.75 minutes.
Find the probability of selecting a class that runs between and minutes.

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Respuesta :

MathPhys

Answer:

0.2

Step-by-step explanation:

Write a proportion.

(54.0 − 49.0) / 1 = (51.75 − 50.75) / x

5 = 1 / x

x = 0.2

miris18

Answer: 0.050

I just did it and I got it right.

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