Answered: Based on their records, a hospital…

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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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 37%. A pediatrician who works with several hospitals in the community would like to verify the hospital's claim. In a random sample of 240 babies born in the community, 72 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 H0 and the alternative hypothesis H1.
H0:
H1:
(b)	Determine the type of test statistic to use.
	▼(Choose one)
(c)	Find the value of the test statistic. (Round to three or more decimal places.)

(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 37%?
Yes No