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Please use R programming to answer follow questions: Given that X has a normal distribution with mean 18 and standard deviation 2.5, find a. P(X
Please use R programming to answer follow questions:
Given that X has a normal distribution with mean 18 and standard deviation 2.5, find
a. P(X < 15);
b. the value k such that P(X < k) = 0.2236;
c. the value k such that P(X > k) = 0.1814;
d. P(17 < X < 21).
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