# SOLUTION: Assume that average annual salary for a worker in th u.s. is \$39,000 and the annual annual salary for americans are normally distributed with a standard deviation equal to \$7,000 f

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: Assume that average annual salary for a worker in th u.s. is \$39,000 and the annual annual salary for americans are normally distributed with a standard deviation equal to \$7,000 f      Log On

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 Algebra: Probability and statistics Solvers Lessons Answers archive Quiz In Depth

 Question 617133: Assume that average annual salary for a worker in th u.s. is \$39,000 and the annual annual salary for americans are normally distributed with a standard deviation equal to \$7,000 find the following A) what percentage of americans earn below \$25,000 B) what percentage of americans earn above \$44,000Answer by ewatrrr(10682)   (Show Source): You can put this solution on YOUR website! ``` Hi, Assume that average annual salary for a worker in th u.s. is \$39,000 and the annual annual salary for americans are normally distributed with a SD = \$7,000 P(X<25) = P(z < -2) NORMSDIST (-2) = .0228, 2.28% P(X >44) = 1- P(z < (44,000 - 39,000)/7000) = 1 - P(z< .7143) = 1- .7325 = .2375, % ```