(a) Above 59 (b) Below 59 (c) Above 47

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section11.3: Shapes Of Distributions
Problem 14E
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parts a - c 

**Problem Statement:**

The length of time it takes to complete a word puzzle is found to be normally distributed with a mean of 71 seconds and a standard deviation of 12 seconds. Using the 50%–34%–14% figures, find the approximate percentages of scores (on time to complete the word puzzle) that will be above or below the following values.

(a) Above 59  
(b) Below 59  
(c) Above 47  
(d) Below 47  
(e) Above 71  
(f) Below 71  
(g) Above 95  
(h) Below 95  
(i) Above 83  
(j) Below 83  

**Explanation of Graphs or Diagrams:**

There are no graphs or diagrams included in the image. Please use the given statistical parameters to solve the problem based on the normal distribution.
Transcribed Image Text:**Problem Statement:** The length of time it takes to complete a word puzzle is found to be normally distributed with a mean of 71 seconds and a standard deviation of 12 seconds. Using the 50%–34%–14% figures, find the approximate percentages of scores (on time to complete the word puzzle) that will be above or below the following values. (a) Above 59 (b) Below 59 (c) Above 47 (d) Below 47 (e) Above 71 (f) Below 71 (g) Above 95 (h) Below 95 (i) Above 83 (j) Below 83 **Explanation of Graphs or Diagrams:** There are no graphs or diagrams included in the image. Please use the given statistical parameters to solve the problem based on the normal distribution.
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