o and a standard deviation of EEB Click here to view page 1 of the cumulative st

Question

o and a standard deviation of EEB Click here to view page 1 of the cumulative standardized normal distribution table. EEB Click here to view page 2 of the cumulative standardized normal distribution table. a. What is the probability that Z is less than 1.04? The probability that Z is less than 1.04 is (Round to four decimal places as needed.) b. What is the probability that Z is geateth 0277 The probability that Z is greater than 0.27 is (Round to four decimal places as needed.) c. What is the probability that Z is less than -0.27 or greater than the mean? The probability that Z is less than 0.27 or greater than the mean is (Round to four decimal places as needed.) d. What is the probability that Z is less than 0.27 or greater than 1.04 The probability that Z is less than - 0.27 or greater than 1.04 is

Explanation / Answer

a)

P( Z < 1.04) = 0.8508

b)

P( Z > -0.27) = P( Z < 0.27)

= 0.6064

c)

P( Z < -0.27 OR Z > 0) = P( Z < -0.27) + P( Z > 0)

= (1 - P( Z < 0.27) + ( 1 - P( Z < 0) )

= 0.3936 + 0.5

= 0.8936

d)

P( Z < -0.27 OR Z > 1.04) = P( Z < -0.27) + P( Z > 1.04)

= 0.3936 + 0.1492

= 0.5428

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