random sample of males, it was found that 22 write with their left hands and 207 do not. In a random sample of females, it was found that 61 write with their left hands and ales. Complete parts (a) through (c) below. Test the claim using a hypothesis test. nsider the first sample to be the sample males and the second sample to be the sample of females. What are the null and alternative hypotheses for the hypothesis test? OC. Họ: P "P2 H,: P, P2 OB. Ho: P P2 O A. Ho P1"P2 H,: P P2 H: P Pa Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value.

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Chapter1: Starting With Matlab
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1
ha random sample of males, it was found that 22 write with their left hands and 207 do not. In a random sample of females, it was found that 61 write with their left hands and 433 do not. Use a 0.05 significance level to test the claim that the rate of left-handedness among males is less than thất amoh
emales. 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?
OC. Hg: P1 "P2
H,: P, P2
OB. Ho: P1 P2
O A. Ho: P1 =P2
H P, <P2
H,: P, =P2
OE. Ho: P, SP2
H: P, P2
OF. Ho: P, 2P2
H: P1 P2
OD. Ho: P1 =P2
H: P>P2
Identify the test statistic.
(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?
v the null hypothesis. There
Vevidence to support the claim that the rate of left-handedness among males is less than that among females.
The P-value is
v the significance level of a0.05, so
b. Test the claim by constructing an appropriate confidence interval.
The 90% confidence interval is
(Round to three decimal places as needed.)
v evidence to support the claim that the rate of left-handedness among males is less
What is the conclusion based on the confidence interval?
v there
to be a significant difference between the rates of left-handedness among males and females. There
Because the confidence interval limits
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?
OA Itis reasonable to condlude that the rate of left-handedness among males is less than the rate of left-handedness among females.
O B. Itis not reasonable to conclude that the rate of left-handedness among males is less than the rate of left-handedness among females
O c. It is reasonable to condlude that the rate of left-handedness among males is the same as the rate of left-handedness among females.
O D. The assumptions required for the tests are not valid, so the results should not be used for inference.
Transcribed Image Text:ha random sample of males, it was found that 22 write with their left hands and 207 do not. In a random sample of females, it was found that 61 write with their left hands and 433 do not. Use a 0.05 significance level to test the claim that the rate of left-handedness among males is less than thất amoh emales. 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? OC. Hg: P1 "P2 H,: P, P2 OB. Ho: P1 P2 O A. Ho: P1 =P2 H P, <P2 H,: P, =P2 OE. Ho: P, SP2 H: P, P2 OF. Ho: P, 2P2 H: P1 P2 OD. Ho: P1 =P2 H: P>P2 Identify the test statistic. (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? v the null hypothesis. There Vevidence to support the claim that the rate of left-handedness among males is less than that among females. The P-value is v the significance level of a0.05, so b. Test the claim by constructing an appropriate confidence interval. The 90% confidence interval is (Round to three decimal places as needed.) v evidence to support the claim that the rate of left-handedness among males is less What is the conclusion based on the confidence interval? v there to be a significant difference between the rates of left-handedness among males and females. There Because the confidence interval limits 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? OA Itis reasonable to condlude that the rate of left-handedness among males is less than the rate of left-handedness among females. O B. Itis not reasonable to conclude that the rate of left-handedness among males is less than the rate of left-handedness among females O c. It is reasonable to condlude that the rate of left-handedness among males is the same as the rate of left-handedness among females. O D. The assumptions required for the tests are not valid, so the results should not be used for inference.
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