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1) The results of the latest writing of the LSAT (Law School Aptitude Test) showed results that were normally distributed with a mean score of

1) The results of the latest writing of the LSAT (Law School Aptitude Test) showed results that were normally distributed with a mean score of 816 and a standard deviation of 52.

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 755 and 948?%

(b) What percent of students got 967 or more on the test? %

2) Replacement times for Maytag washer and dryer sets are normally distributed with a mean of 9.1 years and a standard deviation of 2 years.

Round all final answers to 3 decimals.

(a) Find the replacement time (in years) that separates the top 17% from the bottom 83%

(b) If the manufacturer wants to provide a warranty time so that only 5% 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?

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