Based on a simple random sample of 1300 college students, it is found that 299 students own a car. We wish to construct a 90% confidence interval to estimate the proportions ? of all college students who own a car. A) Read carefully the text and provide each of the following: The sample size ?= , from the sample, the number of college students who own a car is ?= , the confidence level is CL = %. B) Find the sample proportion ?ˆ= and ?ˆ=1−?ˆ=
Based on a simple random sample of 1300 college students, it is found that 299 students own a car. We wish to construct a 90% confidence interval to estimate the proportions ? of all college students who own a car. A) Read carefully the text and provide each of the following: The sample size ?= , from the sample, the number of college students who own a car is ?= , the confidence level is CL = %. B) Find the sample proportion ?ˆ= and ?ˆ=1−?ˆ=
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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Question
Based on a simple random sample of 1300 college students, it is found that 299 students own a car. We wish to construct a 90% confidence
A) Read carefully the text and provide each of the following:
The
,
from the sample, the number of college students who own a car is ?=
,
the confidence level is CL =
%.
B) Find the sample proportion ?ˆ=
and ?ˆ=1−?ˆ=
Expert Solution
Step 1
(A)
The sample size is, n = 1300
The number of college students who own a car is,
x = 299
The confidence level is, CL = 90%
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