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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
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 42%. 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, 81 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 Ho and the alternative hypothesis H. H p H : 0 X S H, :1 (b) Determine the type of test statistic to use. (Choose one) 0=0 030 020 (c) Find the value of the test statistic. (Round to three or more decimal places.) 0*0 00(d) Find the pvaloe. [Round to three or more decimal places.) D {e} Can we reject the claim that the proportion of fullterm babies born in the commonitiif that weigh more than 7" pounds is 42%? @Yes G No
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