Part: 1 / 5 Part 2 of 5 (b) Find the probability that the student is in fourth grade. The probability that the student is in fourth grade is X 5

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter7: Integration
Section7.CR: Chapter 7 Review
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School days: The following table presents the numbers of students enrolled in grades 1 through 8 in public schools in a
certain country.
Part: 0 / 5
Part 1 of 5
X
P(x)
Part: 1 / 5
Source: Statistical Abstract of the United States
Part 2 of 5
Next Part
Consider these students to be a population. Let X be the grade of a student randomly chosen from this population.
1
Grade
0.128
1
2
4
(a) Construct the probability distribution of X. Round the answers to three decimal places.
2
5
6
7
8
Total
0.122
Send data to Excel
Frequency
(in 1000s)
3775
3602
3612
3587
3638
3690
3751
3790
29,445
3
4
5
(b) Find the probability that the student is in fourth grade.
The probability that the student is in fourth grade is
0.123 0.122 0.124 0.125 0.127
6
00866246
7
X
8
0.129
Ś
X
Ś
olo
Submit Assignment
Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility
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2
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Transcribed Image Text:School days: The following table presents the numbers of students enrolled in grades 1 through 8 in public schools in a certain country. Part: 0 / 5 Part 1 of 5 X P(x) Part: 1 / 5 Source: Statistical Abstract of the United States Part 2 of 5 Next Part Consider these students to be a population. Let X be the grade of a student randomly chosen from this population. 1 Grade 0.128 1 2 4 (a) Construct the probability distribution of X. Round the answers to three decimal places. 2 5 6 7 8 Total 0.122 Send data to Excel Frequency (in 1000s) 3775 3602 3612 3587 3638 3690 3751 3790 29,445 3 4 5 (b) Find the probability that the student is in fourth grade. The probability that the student is in fourth grade is 0.123 0.122 0.124 0.125 0.127 6 00866246 7 X 8 0.129 Ś X Ś olo Submit Assignment Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility 3 2 S 7 29
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