5. A study conducted by the Pew Research Center showed that 70% of 18- to 34-year-olds living with their parents say they contribute to household expenses. Suppose that a random sample of fifteen 18-to 34-year-olds living with their parents is selected and asked if they contribute to household expenses. a) Using the given Binomial cumulative probability table, find the probability that at least 10 of the fifteen 18-to 34-year-olds living with their parents contribute to household expenses. b) Find the mean and standard deviation from the information above. k 0 2 3 4 5 6 7 8 Binomial Cumulative Probability Table n = 15 Р 9 10 11 .05 .463 .829 .964 .995 .999 1.000 .998 1.000 1.000 .982 .869 1.000 1.000 .996 .950 1.000 1.000 .999 .10 .20 .30 .206 .035 .005 .549 .167 .035 .816 .398 .127 .944 .648 .297 .987 .985 1.000 1.000 1.000 .996 1.000 1.000 1.000 .999 1.000 1.000 1.000 1.000 12 1.000 1.000 1.000 1.000 1.000 1.000 1.000 13 14 1.000 1.000 1.000 15 1.000 1.000 1.000 .40 .000 .50 .60 .000 .000 .000 .000 .004 .000 .005 .027 .091 .018 .836 .515 217 .939 .722 .403 .151 .034 .610 .304 .095 .787 .500 .905 .966 .991 .998 1.000 1.000 1.000 1.000 1.000 1.000 1.000 .002 .059 .009 .70 .000 .000 .000 .000 .001 .004 .000 .015 .050 .131 .80 .90 .95 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .001 .000 .004 .000 .018 .000 .061 .002 .164 .013 .352 .056 .213 .696 .390 .849 .597 .278 .941 .783 .485 .982 .909 .703 .996 .973 .873 1.000 .995 .965 1.000 1.000 .995 1.000 1.000 1.000 .000 .000 .000 .000 .000 .001 .005 .602 .184 .036 .833 .451 .171 .965 .794 .537 1.000 1.000 1.000
5. A study conducted by the Pew Research Center showed that 70% of 18- to 34-year-olds living with their parents say they contribute to household expenses. Suppose that a random sample of fifteen 18-to 34-year-olds living with their parents is selected and asked if they contribute to household expenses. a) Using the given Binomial cumulative probability table, find the probability that at least 10 of the fifteen 18-to 34-year-olds living with their parents contribute to household expenses. b) Find the mean and standard deviation from the information above. k 0 2 3 4 5 6 7 8 Binomial Cumulative Probability Table n = 15 Р 9 10 11 .05 .463 .829 .964 .995 .999 1.000 .998 1.000 1.000 .982 .869 1.000 1.000 .996 .950 1.000 1.000 .999 .10 .20 .30 .206 .035 .005 .549 .167 .035 .816 .398 .127 .944 .648 .297 .987 .985 1.000 1.000 1.000 .996 1.000 1.000 1.000 .999 1.000 1.000 1.000 1.000 12 1.000 1.000 1.000 1.000 1.000 1.000 1.000 13 14 1.000 1.000 1.000 15 1.000 1.000 1.000 .40 .000 .50 .60 .000 .000 .000 .000 .004 .000 .005 .027 .091 .018 .836 .515 217 .939 .722 .403 .151 .034 .610 .304 .095 .787 .500 .905 .966 .991 .998 1.000 1.000 1.000 1.000 1.000 1.000 1.000 .002 .059 .009 .70 .000 .000 .000 .000 .001 .004 .000 .015 .050 .131 .80 .90 .95 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .001 .000 .004 .000 .018 .000 .061 .002 .164 .013 .352 .056 .213 .696 .390 .849 .597 .278 .941 .783 .485 .982 .909 .703 .996 .973 .873 1.000 .995 .965 1.000 1.000 .995 1.000 1.000 1.000 .000 .000 .000 .000 .000 .001 .005 .602 .184 .036 .833 .451 .171 .965 .794 .537 1.000 1.000 1.000
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Please provide step-by-step calculations with formulas.
Transcribed Image Text:5. A study conducted by the Pew Research Center showed that 70% of 18- to 34-year-olds living
with their parents say they contribute to household expenses. Suppose that a random sample
of fifteen 18-to 34-year-olds living with their parents is selected and asked if they contribute to
household expenses.
a)
Using the given Binomial cumulative probability table, find the probability that at least 10
of the fifteen 18-to 34-year-olds living with their parents contribute to household expenses.
b) Find the mean and standard deviation from the information above.
k
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
.05
.463
.829
.10
.20
206 .035
.549 .167
Binomial Cumulative Probability Table
n = 15
Р
.30
.40
.50
.005
.000 .000
.035 .005 .000
.60
.000
.000
.70
.80
.964
.816 .398
.027
.004
.127
.944 .648 .297
.995
.091 .018
.999 .987 .836 .515
217 .059
1.000 .998 .939
.403
1.000 1.000 .982
.869
.610
.304
1.000 1.000 .996
.950
.787 .500
1.000 1.000 .999
1.000 1.000 1.000
1.000 1.000 1.000
.909
.985 .905 .696
.996 .966 .849
.597
.999 .991 .941 .783
1.000 1.000 1.000 1.000 .998 .982
1.000 1.000 1.000 1.000 1.000 .996
1.000 1.000 1.000 1.000 1.000 .995
1.000 1.000 1.000 1.000 1.000 1.000
1.000 1.000 1.000 1.000
.973 .873
1.000
1.000
.965
.995
1.000
1.000
1.000 1.000
.90
.95
.000 .000
.000
.000
000
.000 .000
.000
.000
.000
.002
.000
.000 .000
.009 .001 .000 .000
.034
.004
.095
.015 .001
.213
.050
.004
.390
.131 .018
.278
.485
.703
.000
.000
.000
.061 .002
.164
.013
.352 .056
.602 .184
.833 .451
.965 .794
1.000 1.000
.000
.000
.000
.000
.000
.000
.000
.000
.001
.005
.036
.171
.537
1.000
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman