document.write( "Question 430954: starting salaries of marketing majors are normally distributed with a mean of 42,000 and a standard deviation of 3900. what is the probability that a randomly selected marketing major will receive a starting salary between 40,000 and 50,000? \n" ); document.write( "

Algebra.Com's Answer #299222 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "*Note: 
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document.write( " z = -2000/3900 = -.5128   and z = 8000/3900 = 2.0513
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document.write( " P(between 40,000 and 50,000) = P(-.5128 < z < 2.0513) = .6758\r
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