Direct Satellite Television It is believed that 25% of U.S. homes have a direct satellite television receiver. Round up your final answers to the next whole number. Part: 0/2 Part 1 of 2 How large a sample is necessary to estimate the true population of homes that have a direct satellite television receiver with 90% confidence and within 2 percentage points? n= X 3

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 3CYU
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Direct Satellite Television It is believed that 25% of U.S. homes have a direct satellite television receiver. Round up your final answers to the next whole
number.
Part: 0/2
Part 1 of 2
How large a sample is necessary to estimate the true population of homes that have a direct satellite television receiver with 90% confidence and within 2
percentage points?
n=
X
S
Transcribed Image Text:Direct Satellite Television It is believed that 25% of U.S. homes have a direct satellite television receiver. Round up your final answers to the next whole number. Part: 0/2 Part 1 of 2 How large a sample is necessary to estimate the true population of homes that have a direct satellite television receiver with 90% confidence and within 2 percentage points? n= X S
Widows A recent study indicated that 34% of the 130 women over age 55 in the study were widows. Round up your answers to the next whole number for the
following questions.
Part: 0/2
Part 1 of 2
How large a sample must you take to be 99% confident that the estimate is within 0.02 of the true proportion of women over age 55 who are widows?
n=
X
Transcribed Image Text:Widows A recent study indicated that 34% of the 130 women over age 55 in the study were widows. Round up your answers to the next whole number for the following questions. Part: 0/2 Part 1 of 2 How large a sample must you take to be 99% confident that the estimate is within 0.02 of the true proportion of women over age 55 who are widows? n= X
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Since you have asked multiple question, we will solve the first question for you. If you want any specific question to be solved then please specify the question number or post only that question.

From the provided information,

Proportion (p̂) = 0.25

Confidence level = 90%

Margin of error = 0.02

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