Confidence Interval for proportion

Confidence Interval for proportion

9th - 12th Grade

20 Qs

quiz-placeholder

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Confidence Interval for proportion

Confidence Interval for proportion

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
HSS.IC.B.4, HSS.ID.A.4, HSS.IC.A.1

+2

Standards-aligned

Created by

Chen Miranda

Used 2+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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.IC.B.4

CCSS.HSS.ID.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To find a z-score, use InvNorm(1-c).

True
False

Tags

CCSS.HSS.ID.A.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The confidence level of an interval estimate of a parameter is the probability that the interval estimate will contain the parameter.

True
False

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

CCSS.HSS.ID.A.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The symbol for the sample proportion is __________.

Zc
E
q

Tags

CCSS.HSS.IC.B.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the value of zc for a 90% confidence interval.

-1.96 
1.645
1.440
-1.598

Tags

CCSS.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The __________ is the maximum likely difference between the point estimate of a parameter and the actual value of the parameter.

Point Estimate
Inference
Confidence Level
Maximum Error of Estimate

Tags

CCSS.HSS.IC.B.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A sample of 400 racing cars showed that 80 cars cost over $700,000. What is the 99% confidence interval of the true proportion of cars costing over $700,000?

0.001 < p < 0.005
0.566 < p < 0.693
0.148 < p < 0.252
0.023 < p < 0.045

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

CCSS.HSS.ID.A.4

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