document.write( "Question 1182684: Assume that we want to construct a confidence interval. Do one of the​ following, as​ appropriate: (a) find the critical value tα/2​, ​(b) find the critical value zα/2​, or​ (c) state that neither the normal distribution nor the t distribution applies.\r
\n" ); document.write( "\n" ); document.write( "The confidence level is 90​%, σ = 3952 thousand​ dollars, and the histogram of 53 player salaries​ (in thousands of​ dollars) of football players on a team is as shown.\r
\n" ); document.write( "\n" ); document.write( "Select the correct choice below​ and, if​ necessary, fill in the blank to complete your choice.
\n" ); document.write( "A. tα/2 ​= __
\n" ); document.write( "(Round to two decimal places as​ needed.)\r
\n" ); document.write( "\n" ); document.write( "B. zα/2 = __
\n" ); document.write( "​(Round to two decimal places as​ needed.)\r
\n" ); document.write( "\n" ); document.write( "C. Neither the normal distribution nor the t distribution applies. \n" ); document.write( "
Algebra.Com's Answer #813740 by Boreal(15235)\"\" \"About 
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because sigma is given, use a z-test, and z (0.95)=1.645. I am assuming this based on not seeing the histogram. Should the histogram show a great deal of skewness, especially regarding salaries, the normality assumption may not be valid. \n" ); document.write( "
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