document.write( "Question 1175650: 37% of the birds in Cititon Park are blue. What is the probability that, in a random sample of 135 birds, more than 50 are blue birds? Use a normal approximation to compute your answer. Round your answer to 4 decimal places. \n" ); document.write( "

Algebra.Com's Answer #801296 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Normal Probability:   p =.35\r\n" );
document.write( "Sample: n = 135 , 50/130 = .37\r\n" );
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document.write( "   z = .00039\r\n" );
document.write( "P(x > 50) = 1 - P(x ≤ 50)  \r\n" );
document.write( "1 -  P(x ≤ 50) = 1 -   P(z ≤ .0004) = 1- .5 = .5 0r 50%\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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