Test.aspx?testld- 160580705&centerwin-yes; MATH 150 900-15A FA17- Intro Data Ana

Question

Test.aspx?testld- 160580705&centerwin-yes; MATH 150 900-15A FA17- Intro Data Analysis, CCP DisEd crn41492 esi Final Exam (1 4quez, 1 1 2pts)(F14) Time Remaining: 01:40:58 Submit Test This Question: 12 pts 12 of 14 (3 complete) This Test: 112 pts possible Question Help A clinical trial was conducted using a new method designed to increase the probability of conceiving a girl. As of this writing, 948 babies were born to parents using the girl Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim Use the P-value method and the normal distribution as an approximation to the binomial distribution. Which of the following is the hypothesis test to be conducted? O B. Ho:p=0.5 H Pk05 Limit Attempts H p>0.5 110min8 of incomplete H1 p 05 OF. Hop#05 H, p 0.5 H, p#0.5 What is the test statistic? Round to two decimal places as needed ) What is the P-value? Click to select your answer(s).

Explanation / Answer

(first part) right choice is A. H0:p=0.5 and H1:p>0.5

(second part) P=877/948=0.925

(second part)z=(P-p)/sqrt(p(1-p)/n)=(0.925-0.5)/sqrt(0.5*(1-0.5)/948)=26.17

(third part) p-value <0.001

one-tailed p-value=P(Z>26.17) is <0.001

(fourth part) right choice is B. reject the null hypothesis ..................

(fifth part) right choice is D.there is sufficient evidence to support the claim.............

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