Jdve The weights for a group of 18-month-old girls are normally distributed with a mean of 24.1 pounds and a standard deviation of 2.7 pounds. Use the given table to find the percentage of 18-month-old girls who weigh more than 31.2 pounds. z-score Percentile 0.1 0.2 57.93 0.3 0.4 0.6 72.57 0.5 0.7 75.80 0.8 78.81 0.9 81.59 1.0 84.13 53.98 61.79 65.54 69.15 z-score Percentile 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 86.43 88.49 90.32 91.92 93.32 94.52 95.54 96.41 97.13 97.72 z-score 2.1 2.2 2.3 2.4 2.5 2.6 99.53 2.7 2.8 2.9 3.0 99.87 3.5 4.0 Percentile 98.21 98.61 98.93 99.18 99.38 99.65 99.74 99.81 99.98 99.997 (.... | % of 18-month-old girls in the sample weigh more than 31.2 pounds. (Round the final answer to the nearest hundredth as needed. Round the z-score to the nearest tenth as needed.) Ces
Jdve The weights for a group of 18-month-old girls are normally distributed with a mean of 24.1 pounds and a standard deviation of 2.7 pounds. Use the given table to find the percentage of 18-month-old girls who weigh more than 31.2 pounds. z-score Percentile 0.1 0.2 57.93 0.3 0.4 0.6 72.57 0.5 0.7 75.80 0.8 78.81 0.9 81.59 1.0 84.13 53.98 61.79 65.54 69.15 z-score Percentile 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 86.43 88.49 90.32 91.92 93.32 94.52 95.54 96.41 97.13 97.72 z-score 2.1 2.2 2.3 2.4 2.5 2.6 99.53 2.7 2.8 2.9 3.0 99.87 3.5 4.0 Percentile 98.21 98.61 98.93 99.18 99.38 99.65 99.74 99.81 99.98 99.997 (.... | % of 18-month-old girls in the sample weigh more than 31.2 pounds. (Round the final answer to the nearest hundredth as needed. Round the z-score to the nearest tenth as needed.) Ces
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
Related questions
Question
Transcribed Image Text:The weights for a group of 18-month-old girls are normally distributed with a mean of 24.1 pounds and a standard deviation of 2.7 pounds. Use the given table to find
the percentage of 18-month-old girls who weigh more than 31.2 pounds.
prre
0.1
53.98
11
86.43
2.1
98.21
0.2
57.93
Z-Score
0.4
65.54
1.4
91.92
0.3
61.79
0.5
69.15
1.5
93.32
2.5
99.38
0.6
72.57
1.6
94.52
2.6.
99.53
0.7
75.80
1.7
95.54
2.7
99.65
0.8
78.81
1.8
96.41
2.8
99.74
0.9
81.59
1.0
84.13
2.0
97.72
3.0
99.87
Percentile
Z-Score
12
1.3
1.9
Percentile
88.49
90.32
97.13
Z-Score
2.2
2.3
98.93
2.4
2.9
3.5
4.0
Percentile
98.61
99.18
99.81
99.98
99.997
% of 18-month-old girls in the sample weigh more than 312 pounds.
(Round the final answer to the nearest hundredth as needed. Round the z-score to the nearest tenth as needed.)
ces
Get more help-
Clear all
Check answer
Help me solve this
View an example
Privary Policy L Permissions L Contact Us I
Copyright 2022 Pearson Education Inc. All rights reserved Terms of Use
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill