The time required to assemble an electronic component is normally distributed with a mean and a standard deviation of 24 minutes and 13 minutes, respectively. Find the probability that a randomly picked assembly takes between 19 and 27 minutes. Note: Do not round intermediate calculations. Round your final answer to 4 decimal places.   It is unusual for the assembly time to be above 43 minutes or below 9 minutes. What proportion of assembly times falls in these unusual categories? Note: Enter the answer in decimal form. Do not round intermediate calculations. Round your final answer to 4 decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 4GP
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The time required to assemble an electronic component is normally distributed with a mean and a standard deviation of 24 minutes and 13 minutes, respectively.

  1. Find the probability that a randomly picked assembly takes between 19 and 27 minutes.

    Note: Do not round intermediate calculations. Round your final answer to 4 decimal places.

     
  2. It is unusual for the assembly time to be above 43 minutes or below 9 minutes. What proportion of assembly times falls in these unusual categories?

    Note: Enter the answer in decimal form. Do not round intermediate calculations. Round your final answer to 4 decimal places.

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