Hello, I would like to check my work, I am a little confused. Could you help me with this?    Your company is trying to optimize the battery for a new product, and your team has been investigating the recharge cycle. You want to make sure that the battery does not overheat during recharge. You keep track of the temperature of the battery as it charges. Your data is displayed in the relative cumulative frequency chart below. - Estimate the proportion of batteries that charged with a temperature of 88 degrees or less.  (Enter your answer as a decimal between 0 and 1)   - Estimate the proportion of batteries that charged with a temperature above 94 degrees.  - What battery temperature represents the 80th percentile? in °F - Which temperature range did the highest number of battery recharges in it?

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
Section11.4: Two-ways Tables
Problem 11E
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Hello, I would like to check my work, I am a little confused. Could you help me with this? 

 

Your company is trying to optimize the battery for a new product, and your team has been investigating the recharge cycle. You want to make sure that the battery does not overheat during recharge. You keep track of the temperature of the battery as it charges. Your data is displayed in the relative cumulative frequency chart below.



- Estimate the proportion of batteries that charged with a temperature of 88 degrees or less.  (Enter your answer as a decimal between 0 and 1)

 

- Estimate the proportion of batteries that charged with a temperature above 94 degrees. 

- What battery temperature represents the 80th percentile? in °F

- Which temperature range did the highest number of battery recharges in it?

 

Relative Cumulative Frequency
1
0.95
0.9
0.85
0.8
-0.75
0.7
0.65
0.6
0.55
0.5
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
84
86 88 90
92 94 96
Battery Temperature (Degrees F)
98
Transcribed Image Text:Relative Cumulative Frequency 1 0.95 0.9 0.85 0.8 -0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 84 86 88 90 92 94 96 Battery Temperature (Degrees F) 98
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