Confidence Intervals Statements
Authored by Paula Schute
Mathematics
University
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We are 95% confident that the true proportion of all M&M candies which are blue is between 15.1% and 22.8%.
What is the population of interest?
All M&M candies
Blue M&M candies
95%
18.95%
Tags
CCSS.HSS.IC.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We are 95% confident that the true proportion of all M&M candies which are blue is between 15.1% and 22.8%.
What is the characteristic of study?
All M&M candies
Whether candy is blue
Whether candy is not blue
15.1%
Tags
CCSS.HSS.IC.B.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We are 95% confident that the true proportion of all M&M candies which are blue is between 15.1% and 22.8%.
What is the confidence level?
22.8%
95%
5%
15.1%
Tags
CCSS.HSS.IC.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We are 95% confident that the true proportion of all M&M candies which are blue is between 15.1% and 22.8%.
What is the lower bound value?
22.8%
95%
5%
15.1%
Tags
CCSS.HSS.IC.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We are 95% confident that the true proportion of all M&M candies which are blue is between 15.1% and 22.8%.
What is the upper bound value?
22.8%
95%
18.95%
15.1%
Tags
CCSS.HSS.IC.B.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We are 95% confident that the true proportion of all M&M candies which are blue is between 15.1% and 22.8%.
What is the point estimate from the sample?
22.8%
95%
18.95%
15.1%
Tags
CCSS.HSS.IC.B.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We are 95% confident that the true proportion of all M&M candies which are blue is between 15.1% and 22.8%.
If you repeated the study 100 times with 100 random samples under the same conditions, how many samples would contain the actual proportion of blue candies?
100
5
95
19
Tags
CCSS.HSS.IC.B.4
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