The percent of fat calories that a person consumes each day is normally distributed with a mean of about 35 and a standard deviation of about ten. Suppose that 25 individuals are randomly chosen. Let X = average percent of fat calories. (a) Give the distribution of X. (Round your standard deviation to two decimal places.) ☑ ~ ? ✓ (b) For the group of 25, find the probability that the average percent of fat calories consumed is more than four. (Round your answer to four decimal places.) Graph the situation and shade in the area to be determined. none O 0.20 0.15 0.10 0.05 none 0.20 0.15 0.10 0.05 none 0.20 0.15 0.10 0.05 10 15 20 25 30 35 40 5 10 15 20 25 30 35 40 10 15 20 25 30 35 40 X 5 10 15 20 25 30 35 40 (c) Find the first quartile for the average percent of fat calories. (Round your answer to two decimal places.) percent of fat calories
The percent of fat calories that a person consumes each day is normally distributed with a mean of about 35 and a standard deviation of about ten. Suppose that 25 individuals are randomly chosen. Let X = average percent of fat calories. (a) Give the distribution of X. (Round your standard deviation to two decimal places.) ☑ ~ ? ✓ (b) For the group of 25, find the probability that the average percent of fat calories consumed is more than four. (Round your answer to four decimal places.) Graph the situation and shade in the area to be determined. none O 0.20 0.15 0.10 0.05 none 0.20 0.15 0.10 0.05 none 0.20 0.15 0.10 0.05 10 15 20 25 30 35 40 5 10 15 20 25 30 35 40 10 15 20 25 30 35 40 X 5 10 15 20 25 30 35 40 (c) Find the first quartile for the average percent of fat calories. (Round your answer to two decimal places.) percent of fat calories
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
Section: Chapter Questions
Problem 5CR
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Transcribed Image Text:The percent of fat calories that a person consumes each day is normally distributed with a mean of about 35 and a standard deviation of about ten. Suppose that 25 individuals are randomly chosen. Let X = average
percent of fat calories.
(a) Give the distribution of X. (Round your standard deviation to two decimal places.)
☑
~
? ✓
(b) For the group of 25, find the probability that the average percent of fat calories consumed is more than four. (Round your answer to four decimal places.)
Graph the situation and shade in the area to be determined.
none
O
0.20
0.15
0.10
0.05
none
0.20
0.15
0.10
0.05
none
0.20
0.15
0.10
0.05
10
15
20
25
30
35
40
5
10
15
20
25
30
35 40
10 15
20
25
30
35
40
X
5
10
15
20
25
30
35
40
(c) Find the first quartile for the average percent of fat calories. (Round your answer to two decimal places.)
percent of fat calories
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