A hospital claims that the proportion,  p , of full-term babies born in their hospital that weigh more than  7  pounds is  37% . In a random sample of  235  babies born in this hospital,  104  weighed over  7  pounds. Is there enough evidence to reject the hospital's claim at the  0.1  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)ZtChi squareF             The value of the test statistic: (Round to at least three decimal places.)   The p-value: (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  37% ?   Yes     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 
37%
. In a random sample of 
235
 babies born in this hospital, 
104
 weighed over 
7
 pounds. Is there enough evidence to reject the hospital's claim at the 
0.1
 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)ZtChi squareF      
     
The value of the test statistic:
(Round to at least three decimal places.)
 
The p-value:
(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 
37%
?
 
Yes
 
 
No
 
 
 
 
 
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