document.write( "Question 1179018: Suppose x has a distribution with mean=29 and SD= 28
\n" ); document.write( "a) if a random sample of size n= 32 is drawn, find mean of x bar and standard deviation of X bar. And P (29\n" ); document.write( "
Algebra.Com's Answer #808517 by ewatrrr(24785)\"\" \"About 
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document.write( "Normal distribution: with µ = 29 and σ = 28\r\n" );
document.write( "a) if a random sample of size n= 32 is drawn:\r\n" );
document.write( "  x̄ = 29   and s = 28/ √32\r\n" );
document.write( "Using TI or similarly an inexpensive calculator like an Casio fx-115 ES plus\r\n" );
document.write( " P (29 < x̄ < 31) = normalcdf(29,31, 29,28/√32) = .1569\r\n" );
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