Mathematics, 06.11.2020 17:10 jj1077348
Does secondhand smoke increase the risk of a low weight birth? A baby is “low birth weight” if it weighs less than 5.5 pounds at birth. According to the National Center of Health Statistics, about 7.8% of all babies born in the U. S. are categorized as low birth weight. Researchers randomly select 1200 babies whose mothers had extensive exposure to secondhand smoke during pregnancy. 10.4% of the sample are categorized as low birth weight.
Which of the following are the appropriate null and alternative hypotheses for this research question.
H
0
: p = 0.078;
H
a
: p ≠ 0.078
H
0
: p = 0.078;
H
a
: p > 0.078
H
0
: p = 0.104;
H
a
: p ≠ 0.104
H
0
: μ = 0.104;
H
a
: μ > 0.104
Answers: 3
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Does secondhand smoke increase the risk of a low weight birth? A baby is “low birth weight” if it we...
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