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In a randomized controlled trial, insecticide-treated bednets were tested as a way to reduce malaria. Among 325 infants using bednets, 16 developed malaria. Among 295 infants not using bednets, 33 developed malaria. Use a 0.01 significance level 1 test the claim that the incidence of malaria is lower for infants using bednets. a. Test the claim using a hypothesis test. b. Test the claim by constructing an appropriate confidence interval. c. Based on the results, do the bednets appear to be effective?

In a randomized controlled trial, insecticide-treated bednets were tested as a way to reduce malaria. Among 325 infants using bednets, 16 developed malaria. Among 295 infants not using bednets, 33 developed malaria. Use a 0.01 significance level 1 test the claim that the incidence of malaria is lower for infants using bednets. a. Test the claim using a hypothesis test. b. Test the claim by constructing an appropriate confidence interval. c. Based on the results, do the bednets appear to be effective?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
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In a randomized controlled trial, insecticide-treated bednets were tested as a way to reduce malaria. Among 325 infants using bednets, 16 developed malaria. Among 295 infants not using bednets, 33 developed malaria. Use a 0.01 significance level to test the claim that the incidence of malaria is lower for infants using bednets. a. Test the claim using a hypothesis test. b. Test the claim by constructing an appropriate confidence interval. c. Based on the results, do the bednets appear to be effective? a. What are the pull and alternative hypotheses? Let the ants asing berhak berry and let the entants pot using bodnets be sample 2. Choose the correst hypotheses below. UA. HU 50. P₁ = P Identify the test statistis, -2.89 (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.) da. Pa Ho: P₁ = P₂ H₁: P₁ > P H₂0₂
Transcribed Image Text:In a randomized controlled trial, insecticide-treated bednets were tested as a way to reduce malaria. Among 325 infants using bednets, 16 developed malaria. Among 295 infants not using bednets, 33 developed malaria. Use a 0.01 significance level to test the claim that the incidence of malaria is lower for infants using bednets. a. Test the claim using a hypothesis test. b. Test the claim by constructing an appropriate confidence interval. c. Based on the results, do the bednets appear to be effective? a. What are the pull and alternative hypotheses? Let the ants asing berhak berry and let the entants pot using bodnets be sample 2. Choose the correst hypotheses below. UA. HU 50. P₁ = P Identify the test statistis, -2.89 (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.) da. Pa Ho: P₁ = P₂ H₁: P₁ > P H₂0₂
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