7.4 Proportions and Critical Values
Authored by Holly Breault
Mathematics
9th - 12th Grade
CCSS covered
Used 5+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Use for question 2-6:
A study found that 68% of the population owns a home. In a random sample of 150 households, 92 owned a home. At the α = 0.01 level, is there enough evidence to reject the claim?
Choose the correct hypotheses.
H0: p = 0.68
Ha: p ≠ 0.68
H0: μ = 0.68
Ha: μ ≠ 0.68
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A study found that 68% of the population owns a home. In a random sample of 150 households, 92 owned a home. At the α = 0.01 level, is there enough evidence to reject the claim?
Find the z-score.
z = -1.75
z = 1.75
z = -0.08
z = 0.08
Tags
CCSS.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A study found that 68% of the population owns a home. In a random sample of 150 households, 92 owned a home. At the α = 0.01 level, is there enough evidence to reject the claim?
Which value is closest to the p-value?
0.02
0.04
0.06
0.08
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A study found that 68% of the population owns a home. In a random sample of 150 households, 92 owned a home. At the α = 0.01 level, is there enough evidence to reject the claim?
What is the correct conclusion?
Fail to reject the null hypothesis
Reject the null hypothesis
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A study found that 68% of the population owns a home. In a random sample of 150 households, 92 owned a home. At the α = 0.01 level, is there enough evidence to reject the claim?
There is not enough evidence to reject the claim that 68% of the population owns a home
There is enough evidence to reject the claim that 68% of the population owns a home
Tags
CCSS.HSS.IC.B.4
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Use for question 7-11:
The percentage of female physicians is 27%. In a survey of physicians, 45 of the 120 were women. Is there sufficient evidence at the α = 0.01 to claim that the proportion of women physicians is greater than 27%?
Choose the correct hypotheses.
H0: p = 0.27
Ha: p > 0.27
H0: p = 0.27
Ha: p < 0.27
H0: p = 0.27
Ha: p ≠ 0.27
H0: p > 0.27
Ha: p = 0.27
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The percentage of female physicians is 27%. In a survey of physicians, 45 of the 120 were women. Is there sufficient evidence at the α = 0.01 to claim that the proportion of women physicians is greater than 27%?
Find the z-score.
z = -2.59
z = -0.005
z = 2.59
z = 0.005
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