Question

A 0.01 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 78 girls in 169 births, so the sample statistic of 13 results in a z score that is 1 standard deviation below 0. Complete parts (a) through (h) below. lick here to view pag e Normal table. Click here to view page ormal table d. Is the test two-tailed, left-tailed, or right-tailed? O Left-tailed O Right-tailed O Two-tailed e. What is the value of the test statistic? The test statistic isType an integer or a decimal.) f. What is the P-value? The P-value is 3168(Round to four decimal places as needed.) g. What are the critical value(s)? The critical value(s) is/are 1-2.58,2.58 (Round to three decimal places as needed. Use a comma to separate answers as needed.) h. What is the area of the critical region?

Answer 1

牛o.s 16ף 8) Two i 046-0 50 x-1.04 169 test 3173 Ca)

2.58 י 시

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