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Let X ~ N(195; 20). Find: (a) P(X <= 222) (b) P140 < X < 205)...

Let X ~ N(195; 20). Find:

(a) P(X <= 222)

(b) P140 < X < 205)

(c) The first quartile for X

(d) The third quartile for X

(e) the IQR for X

(f) P(|X-195|> 44)

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