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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Related questions

Question

Based on their records, a hospital claims that the proportion,

, of full-term babies born weigh over

pounds is

45%

. A pediatrician who works with several hospitals in the community would like to verify the hopital's claim and investigates. In a random sample of

130

babies born in the community,

weighed over

pounds. Is there enough evidence to reject the hospital's claim at the

0.10

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 two critical values. (Round to three or more decimal places.)
and
(e)	Can we reject the claim that the proportion of full-term babies born in the hospital that weigh more than 7 pounds is 45% ?
Yes No