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Research showed mean income of $48,000. Standard deviation was $10,000. what is the probability that a...

Research showed mean income of $48,000. Standard deviation was $10,000.

what is the probability that a person would earn between $46,000 and $56,100?

Math   Statistics-And-Probability   
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Answer #1

Let X be the amount that the person earn.

Then,  

We need to find the probability that that the person earn between $46000 and $56100.

That is, we need to find P(46000<X<56100).

From standard normal table, P(-0.2<z<0.81)= 0.3703

Required probability= 0.3701

Please upvote my answer if you find it helpful. Thanking you.

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