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Author Question: The times required to assemble a product part are normally distributed with a mean of 47.5 minutes ... (Read 87 times)

casperchen82

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on: Jul 24, 2018
The times required to assemble a product part are normally distributed with a mean of 47.5 minutes and a standard deviation equal to 8.5 minutes. What percent of the assembly workers require: more than one hour?

Question 2

Reading comprehension scores for junior high students in a school district are normally distributed with a mean of 80.0 and a standard deviation 5.0 . What percent have scores between 75 and 85?


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Fayaz00962

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

7.08
The times required to assemble a product part are normally distributed with a mean of 47.5 minutes and a standard deviation equal to 8.5 minutes.

Answer to Question 2

68.26


casperchen82

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Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

recede

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Reply 3 on: Yesterday
Wow, this really help

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