1 answer

(1 point) For a normal distribution, find the probability of being (a) Between u - 20...

Question:

(1 point) For a normal distribution, find the probability of being (a) Between u - 20 and 4 + 20 (b) Between 1.5 standard dev
(1 point) For a normal distribution, find the probability of being (a) Between u - 20 and 4 + 20 (b) Between 1.5 standard deviations below the mean and 2.5 standard deviations above the mean (c) Less than u - 30 Use the Standard Normal Table in your textbook or Excel to obtain more accuracy.

Answers

TOPIC:Normal distribution and probability.

Suppose (x~ N far, 60) @ we need, (4-26 GX 2 M +20) = P ( 1.20-me (X-M ( ut 20 m) =P(-2 (242). [2 = x u-20-M X - M . Mt 25-M6 we need, P (M-1.50 cх(M+ 2.50) =2(1500ML CRL < 1420505-M). = P(-1.5 42 42.5), = D. (2.5) – 8 (-1.5).</p><p>= 0(3:5) - {1-7 (1.5))

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