A variable is normally distributed with mean 8 and standard deviation 2. a. Determine the quartiles of the variable. b. Obtain and interpret the 80th percentile. c. Find the value that​ 65% of all possible values of the variable exceed.   a.  Q1=________ Q2=___________ Q3=__________ ​(Round to two decimal places as​ needed.)   b. The 80th percentile is ________________. ​(Round to two decimal places as​ needed.   Choose the correct answer below.   A. The 80th percentile is the number that divides the bottom 20​% of the data from the top 80​% of the data.   B. The 80th percentile is the number that is 80​% of the largest data value.   C. The 80th percentile is the number that occurs in the data 80​% of the time.   D. The 80th percentile is the number that divides the bottom 80​% of the data from the top 20​% of the data.

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