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Author Question: Assuming a standard normal distribution, determine P(z -0.75).[br][br][b][color=black]Question ... (Read 75 times)

amal

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on: Jun 24, 2018
Assuming a standard normal distribution, determine P(z  -0.75).

Question 2

The amount of time spent by American adults playing sports per day is normally distributed with a mean of 4 hours and standard deviation of 1.25 hours. Find the probability that a randomly selected American adult plays sports for more than 5 hours per day.


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Yixagurpuldink

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Reply #1 on: Jun 24, 2018
Answer to Question 1

0.2266

Answer to Question 2

0.2119


amal

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Reply 2 on: Jun 24, 2018
Gracias!

parker125

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Reply 3 on: Yesterday
Excellent

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