Answer any of the questions 1 A passenger metal detector at

Answer any of the questions!

1.) A passenger metal detector at Chicago

Solution

The credit score of a 35 year old applying for a mortgage at Ulysses Mortgage Associates is normally distributed with a mean of 500 and a standard deviation of 100. Within what range would the middle 80% of credit scores lie?

----

In what range would the middle 80 percent of credit scores lie.
That is a left-tail cutoff at 10% and a right-tail cutoff at 90%
z = invNorm(0.10) = -1.2816 and z = +1.2816