document.write( "Question 912451: The ages of students in an elementary school building are uniformly distributed between 5 and 11.\r
\n" ); document.write( "\n" ); document.write( "Find the probability that a randomly selected student is at least 9 years old. Round your answer to three decimal places.
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Algebra.Com's Answer #553907 by ewatrrr(24785)\"\" \"About 
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m = 8, sd = 2.16
\n" ); document.write( "p(x ≥ 9) = 1 - P(x < 9) = 1 - P(z < 1/2.16) = 1 - .6783 = .3217 0r 32.17%
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