LSAT test scores are normally distributed with a mean of 500 and a standard deviation of 100. Find the probability that a randomly chosen test taker will score between 300 and 600. Round your answer to four decimal places.

Question

anonymous · Answer

@jim_thompson5910 a little confused on the set up!

jim_thompson5910 · Answer

first you'll need to find the z-scores

jim_thompson5910 · Answer

use the formula

z = (x-mu)/sigma

anonymous · Answer

is mu mean?

jim_thompson5910 · Answer

yes

mu = mean
sigma = standard deviation

anonymous · Answer

okay sweet let me see what i get

anonymous · Answer

so i got Z=-2 and 1

jim_thompson5910 · Answer

correct

jim_thompson5910 · Answer

now use this table http://www.math.upenn.edu/~chhays/zscoretable.pdf to find the area to the left of z = -1

jim_thompson5910 · Answer

ie z = -1.00

anonymous · Answer

I got it now! i just needed that formula, thank you Jim!

jim_thompson5910 · Answer

ok great