Confidence Intervals for Proportions
9th - 12th Grade
•11 Qs
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Confidence Intervals for Proportions
Quiz
•
Mathematics
•
9th - 12th Grade
•
Medium
Standards-aligned
Nicholas Rauh
Used 2+ times
FREE Resource
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A random sample of 100 WHS students found that 53 of them were in possession of a pencil. What is the p-hat for this sample?
Tags
CCSS.HSS.IC.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The symbol for the sample proportion is __________.
Tags
CCSS.HSS.IC.B.4
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following actions would produce a confidence interval with a smaller width assuming all other contingencies remained constant?
Using a higher confidence level
Using a lower confidence level
Tags
CCSS.HSS.IC.B.4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following changes to a study would result in a narrower confidence interval?
Tags
CCSS.HSS.IC.B.4
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
It was found that in a sample of 90 teenage boys, 70% of them have received speeding tickets. What is the 90% confidence interval of the true proportion of teenage boys who have received speeding tickets?
Tags
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.4
CCSS.HSS.ID.A.4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In a survey of 104 students, it was found that 79 went to the homecoming game this year.
Calculate a 99% confidence interval for p.
(0.652, 0.868)
(0.691, 0.829)
(0.678, 0.842(
(0.685, 0.895)
Tags
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.4
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This is notation from a different book. Identify the confidence interval used in the figure below if each shaded area is equal to 0.05.
90%
95%
98%
99%
Tags
CCSS.HSS.IC.A.1
CCSS.HSS.ID.A.4
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