Use Excel Let X be normally distributed with 5
(Use Excel) Let X be normally distributed with µ 5 254 and σ 5 11. In addition to providing the answer, state the relevant Excel commands.
a. Find P(X ≤ 266).
b. Find P(250 , X , 270).
c. Find x such that P(X ≤ x) 5 0.33.
d. Find x such that P(X>x) 5 0.33.

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