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Question #4 please answer (a), (b), and find the degree of freedom :)

Question #4 please answer (a), (b), and find the degree of freedom :)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question #4 please answer (a), (b), and find the degree of freedom :)
Based on their records, a hospital claims that the proportion, p, of full-term babies born in the community that weigh more than 7 pounds is 40%. A pediatrician who works with several hospitals in the community would like to verify the hospital's claim. In a random sample of 140 babies born in the community, 71 weighed over 7 pounds. Is there enough evidence to reject the hospital's claim at the 0.05 level of significance? Perform a two-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H. and the alternative hypothesis H,. H : 0 H :0 (b) Determine the type of test statistic to use. Choose one) ▼ O=0 OSO (c) Find the value of the test statistic. (Round to three or more decimal places.) O<O (d) Find the p-value. (Round to three or more decimal places.) (e) Can we reject the claim that the proportion of full-term babies born in the community that weigh more than 7 pounds is 40%? OYes CNo Dlo Ix
Transcribed Image Text:Based on their records, a hospital claims that the proportion, p, of full-term babies born in the community that weigh more than 7 pounds is 40%. A pediatrician who works with several hospitals in the community would like to verify the hospital's claim. In a random sample of 140 babies born in the community, 71 weighed over 7 pounds. Is there enough evidence to reject the hospital's claim at the 0.05 level of significance? Perform a two-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H. and the alternative hypothesis H,. H : 0 H :0 (b) Determine the type of test statistic to use. Choose one) ▼ O=0 OSO (c) Find the value of the test statistic. (Round to three or more decimal places.) O<O (d) Find the p-value. (Round to three or more decimal places.) (e) Can we reject the claim that the proportion of full-term babies born in the community that weigh more than 7 pounds is 40%? OYes CNo Dlo Ix
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