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d) Use your answers for Parts B and C to compute the 95% confidence interval for the proportion of children who have ever been victimized (attempted or completed): We are 95% confident that the true proportion of children who had been vicitmized (attempted or completed) is between and (Enter the smaller number first. Answers can be written as a decimal, like 0.752, or as a percent, like 75.2%.)

d) Use your answers for Parts B and C to compute the 95% confidence interval for the proportion of children who have ever been victimized (attempted or completed): We are 95% confident that the true proportion of children who had been vicitmized (attempted or completed) is between and (Enter the smaller number first. Answers can be written as a decimal, like 0.752, or as a percent, like 75.2%.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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I need help finding D

a) What is the sample size, found at the bottom of the table? 2072 b) What is the point estimate for the top row, "Attempted and completed", under "% Last Year"? 37.1% (The numbers in the table are percentages. Either add a % to your answer or convert to a decimal.) P(1 — р) c) The standard error can be computed using the formula SE = where p is the point n estimate and n is the sample size. What is the standard error for part B? .0106 d) Use your answers for Parts B and C to compute the 95% confidence interval for the proportion of children who have ever been victimized (attempted or completed): We are 95% confident that the true proportion of children who had been vicitmized (attempted or . (Enter the smaller number first. completed) is between and Answers can be written as a decimal, like 0.752, or as a percent, like 75.2%.)
Transcribed Image Text:a) What is the sample size, found at the bottom of the table? 2072 b) What is the point estimate for the top row, "Attempted and completed", under "% Last Year"? 37.1% (The numbers in the table are percentages. Either add a % to your answer or convert to a decimal.) P(1 — р) c) The standard error can be computed using the formula SE = where p is the point n estimate and n is the sample size. What is the standard error for part B? .0106 d) Use your answers for Parts B and C to compute the 95% confidence interval for the proportion of children who have ever been victimized (attempted or completed): We are 95% confident that the true proportion of children who had been vicitmized (attempted or . (Enter the smaller number first. completed) is between and Answers can be written as a decimal, like 0.752, or as a percent, like 75.2%.)
Expert Solution
Step 1

(1-α)100% = 95% 

α= 0.05

Zα/2  = 1.96 (Use Excel function =NORMSINV(0.05/2) )

 

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