8. It is known that 25% of married women have high blood pressure. It is suspected that the prevalence of high blood pressure is lower for single women. To test Ho: p = 25% against H₁: p < 25%, where p is the prevalence of high blood pressure for single women, we collected a sam- ple of 100 single women. We found that 20 women in the sample have high blood pressure. Compute the observed value of the test statistic to test these hypotheses. Give the p-value and your conclusion at a = 5%. A) zo = -1.41, p-value=0.0793; the evidence that p is less than 25% is

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8. It is known that 25% of married women have high blood pressure. It is
suspected that the prevalence of high blood pressure is lower for single
women. To test Ho: p = 25% against H₁ : p < 25%, where p is the
prevalence of high blood pressure for single women, we collected a sam-
ple of 100 single women. We found that 20 women in the sample have
high blood pressure. Compute the observed value of the test statistic to
test these hypotheses. Give the p-value and your conclusion at a = 5%.
A) zo = -1.41, p-value=0.0793; the evidence that p is less than 25% is
significant
the evidence that p is less than 25% is
B) zo = -1.15, p-value=0.1251;
not significant
C) zo = -1.25, p-value=0.1056;
the evidence that p is less than 25% is
not significant
=
D) 20 -1.62, p-value=0.0526; the evidence that p is less than 25% is
not significant
=
E) 20 -1.04, p-value=0.1492; the evidence that p is less than 25% is
not sigificant
=
F) zo 1.62, p-value=0.0526; the evidence that p is less than 25% is
not significant.
Transcribed Image Text:8. It is known that 25% of married women have high blood pressure. It is suspected that the prevalence of high blood pressure is lower for single women. To test Ho: p = 25% against H₁ : p < 25%, where p is the prevalence of high blood pressure for single women, we collected a sam- ple of 100 single women. We found that 20 women in the sample have high blood pressure. Compute the observed value of the test statistic to test these hypotheses. Give the p-value and your conclusion at a = 5%. A) zo = -1.41, p-value=0.0793; the evidence that p is less than 25% is significant the evidence that p is less than 25% is B) zo = -1.15, p-value=0.1251; not significant C) zo = -1.25, p-value=0.1056; the evidence that p is less than 25% is not significant = D) 20 -1.62, p-value=0.0526; the evidence that p is less than 25% is not significant = E) 20 -1.04, p-value=0.1492; the evidence that p is less than 25% is not sigificant = F) zo 1.62, p-value=0.0526; the evidence that p is less than 25% is not significant.
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