The results of the latest writing of the LSAT (Law School Aptitude Test) showed results that were normally distributed with a mean score of 857 and a standard deviation of 76.

Enter percentage answers in percent form (i.e. 3.00%% instead of 0.03). Round all final answers to 2 decimals.

(a) What percent of students scored between 778 and 923? ? %% (b) What percent of students got 910 or more on the test? ?%%

Replacement times for Maytag washer and dryer sets are normally distributed with a mean of 6.4 years and a standard deviation of 1.8 years.

Round all final answers to 3 decimals.

(a) Find the replacement time (in years) that separates the top 27 % from the bottom 73% .

(b) If the manufacturer wants to provide a warranty time so that only 3 % of the washer and dryer sets will be replaced before the warranty expires, what length of time (in years) would you recommend for the warranty?