In a survey conducted recently by ESPN-LA radio in an attempt to find the proportion of residents of LA on being a Lakers fan or not. The result of this survey is given in the table below: Females Males X1 = = 20 X2 = 26 n1 = = 42 n2 = 54 a. Find the pooled proportion P. b. Find a 95% confidence interval for the difference to the two population proportions P – P2 using the table from above. (Create confidence interval and write sentence)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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1. In a survey conducted recently by ESPN-LA radio in an attempt to find the proportion of residents of LA on being a Lakers fan or not, the result of this survey is given in the table below:

\[
\begin{array}{|c|c|}
\hline
\text{Females} & \text{Males} \\
\hline
x_1 = 20 & x_2 = 26 \\
n_1 = 42 & n_2 = 54 \\
\hline
\end{array}
\]

a. Find the pooled proportion \( \bar{P} \).

b. Find a 95% confidence interval for the difference between the two population proportions \( P_1 - P_2 \) using the table from above. (Create confidence interval and write sentence)
Transcribed Image Text:1. In a survey conducted recently by ESPN-LA radio in an attempt to find the proportion of residents of LA on being a Lakers fan or not, the result of this survey is given in the table below: \[ \begin{array}{|c|c|} \hline \text{Females} & \text{Males} \\ \hline x_1 = 20 & x_2 = 26 \\ n_1 = 42 & n_2 = 54 \\ \hline \end{array} \] a. Find the pooled proportion \( \bar{P} \). b. Find a 95% confidence interval for the difference between the two population proportions \( P_1 - P_2 \) using the table from above. (Create confidence interval and write sentence)
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