document.write( "Question 306291: Find the probabilities.
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document.write( "From National Weather Service records, the annual snowfall in the TopKick Mountains has a mean of 92 inches and a standard deviation s of 12 inches. If the snowfall from 25 randomly selected years are chosen, what it the probability that the snowfall would be less than 95 inches \n" );
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Algebra.Com's Answer #219223 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the probabilities. \n" ); document.write( "From National Weather Service records, the annual snowfall in the TopKick Mountains has a mean of 92 inches and a standard deviation s of 12 inches. If the snowfall from 25 randomly selected years are chosen, what is the probability that the snowfall would be less than 95 inches. \n" ); document.write( "--- \n" ); document.write( "t(95) = (95-92)/[12/sqrt(25)] = 1.25 \n" ); document.write( "--- \n" ); document.write( "P(x < 95) = P(t < 1.25 when df = 24) = tcdf(-100,1.25,24) = 0.8883 \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========================== \n" ); document.write( " \n" ); document.write( " |