In a random sample of males, it was found that 25 write with their left hands and 217 do not. In a random sample of females, it was found that 57 write with their left hands and 456 do not. Use a 0.05 significance level to test the claim that the rate of left-handedness among males is less than that among females. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test Consider the first sample to be the sample of males and the second sample to be the sample of females. What are the null and alternative hypotheses for the hypothesis test? OA Hg: Pj 2 P₂ H₁: P₁ P₂ OD. Ho: P₁ P₂ H₁: PyP₂ identify the test statistic. 2-0 (Round to two decimal places as needed.) Identify the P-value P-value= (Round to three decimal places as needed.). What is the conclusion based on the hypothesis test? the significance level of a 0.05, so The P-value is males is less than that among females. OB. H₂P SP₂ H₁ P P₂ @E. H₂: P₁ P₂ H₁: P₁ P₂ the null hypothesis. There OC. Ho: P P₂ H₁: Py P₂ OF. Ho: P₁ P₂ H₁ P₂ P₂ evidence to support the claim that the rate of left-handedness among

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b. Test the claim by constructing an appropriate confidence interval
The 90% confidence interval is < (P₁-P₂) <
(Round to three decimal places as needed.)
What is the conclusion based on the confidence interval?
Because the confidence interval limits
there
evidence to support the claim that the rate of left-handedness among males is less than that among females
c. Based on the results, is the rate of left-handedness among males less than the rate of left-handedness among females?
to be a significant difference between the rates of left-handedness among males and females. There
OA. It is reasonable to conclude that the rate of left-handedness among males is less than the rate of left-handedness among females
OB. It is reasonable to conclude that the rate of left-handedness among males is the same as the rate of left-handedness among females.
OC. It is not reasonable to conclude that the rate of left-handedness among males is less than the rate of left-handedness among females
OD. The assumptions required for the tests are not valid, so the results should not be used for inference.
Transcribed Image Text:b. Test the claim by constructing an appropriate confidence interval The 90% confidence interval is < (P₁-P₂) < (Round to three decimal places as needed.) What is the conclusion based on the confidence interval? Because the confidence interval limits there evidence to support the claim that the rate of left-handedness among males is less than that among females c. Based on the results, is the rate of left-handedness among males less than the rate of left-handedness among females? to be a significant difference between the rates of left-handedness among males and females. There OA. It is reasonable to conclude that the rate of left-handedness among males is less than the rate of left-handedness among females OB. It is reasonable to conclude that the rate of left-handedness among males is the same as the rate of left-handedness among females. OC. It is not reasonable to conclude that the rate of left-handedness among males is less than the rate of left-handedness among females OD. The assumptions required for the tests are not valid, so the results should not be used for inference.
In a random sample of males, it was found that 25 write with their left hands and 217 do not. In a random sample of females, it was found that 57 write with their left hands and 456 do not. Use a
0.05 significance level to test the claim that the rate of left-handedness among males is less than that among females. Complete parts (a) through (c) below
a. Test the claim using a hypothesis test
Consider the first sample to be the sample of males and the second sample to be the sample of females. What are the null and alternative hypotheses for the hypothesis test?
OA H₂: P2P₂
H₁: P₁ P₂
OD. Ho: P₁ P₂
H₁: P₁ P₂
Identify the test statistic.
2-0
(Round to two decimal places as needed.)
Identify the P-value
P-value=
(Round to three decimal places as needed.)
What is the conclusion based on the hypothesis test?
The P-value is
males is less than that among females.
the significance level of 0.05, so
OB. H₂: P1 SP₂
H₁: P₂ P₂
CELLE
ⒸE H₂: P₁ P₂
H₁: P₁ <P₂
the null hypothesis. There
OC. Ho: Py*P₂
H₁: Pg P₂
OF. Ho: P1 P₂
H₁: P P₂
evidence to support the claim that the rate of left-handedness among
Transcribed Image Text:In a random sample of males, it was found that 25 write with their left hands and 217 do not. In a random sample of females, it was found that 57 write with their left hands and 456 do not. Use a 0.05 significance level to test the claim that the rate of left-handedness among males is less than that among females. Complete parts (a) through (c) below a. Test the claim using a hypothesis test Consider the first sample to be the sample of males and the second sample to be the sample of females. What are the null and alternative hypotheses for the hypothesis test? OA H₂: P2P₂ H₁: P₁ P₂ OD. Ho: P₁ P₂ H₁: P₁ P₂ Identify the test statistic. 2-0 (Round to two decimal places as needed.) Identify the P-value P-value= (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is males is less than that among females. the significance level of 0.05, so OB. H₂: P1 SP₂ H₁: P₂ P₂ CELLE ⒸE H₂: P₁ P₂ H₁: P₁ <P₂ the null hypothesis. There OC. Ho: Py*P₂ H₁: Pg P₂ OF. Ho: P1 P₂ H₁: P P₂ evidence to support the claim that the rate of left-handedness among
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