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Author Question: With a mean of 70 and an SD of 10, what is the probability of selecting a score of between 75 and ... (Read 38 times)

HCHenry

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on: Jun 20, 2018
With a mean of 70 and an SD of 10, what is the probability of selecting a
  score of between 75 and 90?

Question 2

At a certain race track, the horses run the mile in an average time of 135
  seconds, with an SD of 13 seconds. What is the probability of selecting at
  random a horse that could run the mile in 130 seconds or less?


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JCABRERA33

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Reply #1 on: Jun 20, 2018
Answer to Question 1



Answer to Question 2



HCHenry

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Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

pangili4

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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