document.write( "Question 1113411: Suppose x has a distribution with μ = 30 and σ = 25.
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document.write( "(a) If a random sample of size n = 39 is drawn, find μx, σ x and P(30 ≤ x ≤ 32). (Round σx to two decimal places and the probability to four decimal places.) \r
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document.write( "I do not know how to solve for P(30≤ x ≤ 32), an explanation would be awesome!
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document.write( "Cheers \n" );
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Algebra.Com's Answer #728431 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! u(x) = 30 \n" ); document.write( ": \n" ); document.write( "sigma(x) = 25/square root(39) = 4.0032 \n" ); document.write( ": \n" ); document.write( "P ( 30≤ x ≤ 32 ) = P ( x ≤ 32) - P ( x ≤ 30 ) \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |