A hospital claims that the proportion, p, of full-term babies born in their hospital that weigh more than 7 pounds is 41% . In a random sample of 250 babies born in this hospital, 84 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 fill in the table below.   Carry your intermediate computations to at least three decimal places and round your answers as specified in the table.   The null hypothesis:   H0: ____ The alternative hypothesis:  H1: ____ The type of test statistic: (Choose one) _____ The value of the test statistic: (Round to at least three decimal places): _____ The two critical values at the 0.05 level of significance: _______ and _____ (Round to at least three decimal places.) Can we reject the claim that the proportion of full-term Babies born in their hospital that weigh more than 7 pounds is 41%.   Yes ____ or NO____

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 42PFA
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A hospital claims that the proportion, p, of full-term babies born in their hospital that weigh more than 7 pounds is 41% . In a random sample of 250 babies born in this hospital, 84 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 fill in the table below.

 

Carry your intermediate computations to at least three decimal places and round your answers as specified in the table.

 

The null hypothesis:   H0: ____

The alternative hypothesis:  H1: ____

The type of test statistic: (Choose one) _____

The value of the test statistic:

(Round to at least three decimal places): _____

The two critical values at the 0.05 level of significance: _______ and _____

(Round to at least three decimal places.)

Can we reject the claim that the proportion of full-term

Babies born in their hospital that weigh more than 7 pounds is 41%.   Yes ____ or NO____

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