Homework: 9.2- Homework Save Score: 0.08 of 1 pt 70f 8 (8 complete) Hw Score: 58
ID: 3309228 • Letter: H
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Homework: 9.2- Homework Save Score: 0.08 of 1 pt 70f 8 (8 complete) Hw Score: 58.57%, 4.69 of 8 p 9.2.17-T Question Help In a random sample of males, it was found that 28 write with their left hands and 215 do not. In a random sample of females, it was found that 73 write with their left hands and 438 do not. Use a 0.01 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? A. Ho: P1 P2 H: P1P2 D. Ho: p1 SP2 H1:p1 #p2 H1 : p1 =p2 Identify the test statistic z= 1.04 (Round to two decimal places as needed.) Identify the P-value. P-value- Round to three decimal places as needed.) Enter your answer in the answer bowand then click Check Answer Check Answer Clear All remainingExplanation / Answer
P-Value: 0.1489
The p-value can be calculated in excel as follows
=1-NORM.DIST(ABS(-1.0411),0,1,TRUE)
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