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Let X:N(30, 4), solve the following: a Find P(28 31) c) If P(X Let X:N(30, 4), solve the following: a) Find b) Find or X>31)

Let X:N(30, 4), solve the following: a Find P(2831) c) If P(X

Let X:N(30, 4), solve the following: a) Find b) Find or X>31) c) If find c d Find the interquartile range IQR

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