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Find the P-value. P-value = (Round to three decimal places as needed.)

Find the P-value. P-value = (Round to three decimal places as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Previously, 4% of mothers smoked more than 21 cigarettes during their pregnancy. An obstetrician believes that the percentage of mothers who smoke 21 cigarettes or more is less than 4% today. She randomly selects 135 pregnant mothers and finds that 4 of them smoked 21 or more cigarettes during pregnancy. Test the researcher's statement at the a = 0.1 level of significance. What are the null and alternative hypotheses? = 0.04 versus H1: p < 0,04 Но: р (Type integers or decimals. Do not round.) Because npo (1- Po) = 5.2 < 10, the normal model may not be used to approximate the P-value. (Round to one decimal place as needed.) Find the P-value. P-value = (Round to three decimal places as needed.)
Transcribed Image Text:Previously, 4% of mothers smoked more than 21 cigarettes during their pregnancy. An obstetrician believes that the percentage of mothers who smoke 21 cigarettes or more is less than 4% today. She randomly selects 135 pregnant mothers and finds that 4 of them smoked 21 or more cigarettes during pregnancy. Test the researcher's statement at the a = 0.1 level of significance. What are the null and alternative hypotheses? = 0.04 versus H1: p < 0,04 Но: р (Type integers or decimals. Do not round.) Because npo (1- Po) = 5.2 < 10, the normal model may not be used to approximate the P-value. (Round to one decimal place as needed.) Find the P-value. P-value = (Round to three decimal places as needed.)
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