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A variable is normally distributed with mean 10 and standard deviation 2 a. Find the percentage of all possible values of the variable that lie between 8 and 13 b. Find the percentage of all possible values of the variable that are at least 9 c. Find the percentage of all possible values of the variable that are almost 7 Click here to view page 1 of the table of areas under the standard normal curve Click here to view page 2 of the table of areas under the standard normal cury 1. The percintage of all possible values of the variable that le between 8 and 1 (Round to two decimal places as needed t. The percentage of all possible values of the parable that are at least Round to two decimal places as needed C. The percentage of possible values of the variable that are at most 7 Round to two decimal places as needed)