Investigate possible relation between gender and handedness

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Reference no: EM131813896

Question: To investigate a possible relation between gender and handedness, a random sample of 320 adults was taken, with the following results:

a. Give a point estimate for the difference in the proportion of all men who are left-handed and the proportion of all women who are left-handed.

b. Construct the 95% confidence interval for the difference, based on these data.

c. Test, at the 5% level of significance, the hypothesis that the proportion of men who are left-handed is greater than the proportion of women who are.

d. Compute the p-value of the test.

Reference no: EM131813896

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