document.write( "Question 1137701: Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Enter a number. Round your answer to four decimal places.)
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document.write( "μ = 22; σ = 3.8
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document.write( "P(x ≥ 30) = \n" );
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Algebra.Com's Answer #755558 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! Probability (P) ( X > or = 30) = 1 - P( X < 30 ) \n" ); document.write( ": \n" ); document.write( "z-score(30) = (30 - 22)/3.8 = 2.1053 is approximately 2.11 \n" ); document.write( ": \n" ); document.write( "look in z-tables for the corresponding probability \n" ); document.write( ": \n" ); document.write( "P ( X > or = 30) = 1 - 0.9826 = 0.0174 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |