100k views
0 votes
The starting salaries of individuals with an MBA degree are normally distributed with a mean of $40,000 and a standard deviation of $5,000. What percentage of MBA's will have starting salaries of $34,000 to $46,000

1 Answer

1 vote

Answer:

The correct answer is "76.98%".

Explanation:

According to the question,

⇒
P(34000<x<46000) = P[(34000-40000)/(5000) <(x- \mu)/(\sigma) <(46000-40000)/(5000) ]


=P(-1.2<z<1.2)


=P(z<1.2)-P(z<-1.2)


=0.8849-0.1151


=0.7698

or,


=76.98%

User Commadelimited
by
6.6k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.