Question
A hospital claims that theproportion, p , of full-term babies born in their hospital that weigh more than7 pounds is38%. In a random sample of175
A hospital claims that theproportion,p, of full-term babies born in their hospital that weigh more than7
pounds is38%. In a random sample of175 babies born in this hospital,77 weighed over7 pounds. Is there enough evidence to reject the hospital's claim at the0.05 level of significance?
Perform a two-tailed test. Then complete the parts below.
Carry your intermediate computations to three or more decimal places and round your answers as specified in the table. (If necessary, consult alist of formulas.)
(a)State the null hypothesisH0 and the alternative hypothesisH1.
H0:
H1:
(b)Determine the type of test statistic to use.
(c)Find the value of the test statistic.
(d)Find the two critical values.
(e)Can we reject the claim that the proportion of full-term babies born in their hospital that weigh more than7
pounds is38%? YesNo
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