Find the critical value. (Rouna w three decimal places as needed.) Which region below is the correct rejection region? B. s-xổ or 2 xổ D.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 67E
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4 solve all parts please 10.2
Find the critical value.
(Rouna w three decimal places as needed.)
Which region below is the correct rejection region?
B. xs-xổ or x2 2 xổ
D. x<x6
(c) Calculate the test statistic.
(Round to three decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis.
6,-ctH, because the test statistic is
in the rejection region.
(e) Interpret the decision in the context of the original claim.
There is not enough evidence at the 1% level of significance to reject the claim that
an athlete's injury result is independent of whether or not the athlete has stretched.
Transcribed Image Text:Find the critical value. (Rouna w three decimal places as needed.) Which region below is the correct rejection region? B. xs-xổ or x2 2 xổ D. x<x6 (c) Calculate the test statistic. (Round to three decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. 6,-ctH, because the test statistic is in the rejection region. (e) Interpret the decision in the context of the original claim. There is not enough evidence at the 1% level of significance to reject the claim that an athlete's injury result is independent of whether or not the athlete has stretched.
Athlete has
Use the provided contingency table and expected frequencies. At a 0.01, test the hypothesis that the
variables are independent. Complete parts (a) through (e) below.
Result
Stretched
Not stretched
Injury
18 (18.516)
228 (227.484)
17 (16.484)
202 (202.516)
No injury
.....
(a) Identify the claim and state Ho and Ha.
Ho: An athlete's injury result is independent of whether or not the athlete has stretched.
H: An athlete's injury result is dependent on whether or not the athlete has stretched.
Which hypothesis is the claim?
Null hypothesis
Alternative hypothesis
(b) Determine the degrees of freedom, find the critical value, and identify the rejection region.
Calculate the degrees of freedom.
d.f. =|
(Type a whole number.)
Transcribed Image Text:Athlete has Use the provided contingency table and expected frequencies. At a 0.01, test the hypothesis that the variables are independent. Complete parts (a) through (e) below. Result Stretched Not stretched Injury 18 (18.516) 228 (227.484) 17 (16.484) 202 (202.516) No injury ..... (a) Identify the claim and state Ho and Ha. Ho: An athlete's injury result is independent of whether or not the athlete has stretched. H: An athlete's injury result is dependent on whether or not the athlete has stretched. Which hypothesis is the claim? Null hypothesis Alternative hypothesis (b) Determine the degrees of freedom, find the critical value, and identify the rejection region. Calculate the degrees of freedom. d.f. =| (Type a whole number.)
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