The lengths of time (in years) it took a random sample of 32 former smokers to quit smoking permanently are listed. Assume the population standard deviation is 5.3 years. At α = 0.08, is there enough evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 15 years? Complete parts (a) through (e). 8.4 11.3 16.7 15.8 D 11.8 19.1 16.5 22.7 18.5 14.1 8.2 9.5 14.7 16.2 20.2 14.5 16.7 20.1 22.9 11.3 15.1 22.1 11.1 21.5 16.8 20.3 14.5 17.1 14.9 19.6 17.1 16.6 (a) Identify the claim and state the null hypothesis and alternative hypothesis. O A. Ho: μ≤15 (claim) Ha: μ> 15 D. Ho: μ = 15 (claim) H₂:μ#15 B. Ho:μ ≥ 15 (claim) H₂:μ< 15 O E. Ho: μ> 15 (claim) Hg: με 15 OC. Ho: μ15 (claim) H₂:μ=15 OF. Ho: μ> 15 H₂:μ≤15 (claim)
The lengths of time (in years) it took a random sample of 32 former smokers to quit smoking permanently are listed. Assume the population standard deviation is 5.3 years. At α = 0.08, is there enough evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 15 years? Complete parts (a) through (e). 8.4 11.3 16.7 15.8 D 11.8 19.1 16.5 22.7 18.5 14.1 8.2 9.5 14.7 16.2 20.2 14.5 16.7 20.1 22.9 11.3 15.1 22.1 11.1 21.5 16.8 20.3 14.5 17.1 14.9 19.6 17.1 16.6 (a) Identify the claim and state the null hypothesis and alternative hypothesis. O A. Ho: μ≤15 (claim) Ha: μ> 15 D. Ho: μ = 15 (claim) H₂:μ#15 B. Ho:μ ≥ 15 (claim) H₂:μ< 15 O E. Ho: μ> 15 (claim) Hg: με 15 OC. Ho: μ15 (claim) H₂:μ=15 OF. Ho: μ> 15 H₂:μ≤15 (claim)
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.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 40E: Pygmy Height The average height of a member of a certain tribe of pygmies is 3.2ft, with a standard...
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Transcribed Image Text:The lengths of time (in years) it took a random sample of 32 former smokers to quit smoking permanently are listed.
Assume the population standard deviation is 5.3 years. At α = 0.08, is there enough evidence to reject the claim that the
mean time it takes smokers to quit smoking permanently is 15 years? Complete parts (a) through (e).
8.4
11.8 19.1 16.5 22.7 11.3 16.7 15.8
18.5 14.1 8.2 9.5
16.7 20.1 22.9 11.3
16.8 20.3 14.5 17.1 14.9
(a) Identify the claim and state the null hypothesis and alternative hypothesis.
O A. Ho: μ≤ 15 (claim)
H₂:μ>15
14.7 16.2 20.2 14.5
15.1 22.1 11.1 21.5
19.6 17.1 16.6
O D. Ho: H15 (claim)
H₂:μ#15
O B. Ho: μ ≥ 15 (claim)
H₂:µ<15
O E. Ho: μ> 15 (claim)
H₂:μ≤15
a
O C. Ho: μ15 (claim)
H₂:μ=15
OF. Ho: H> 15
H₂: μs 15 (claim)
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