Styles 5 If the area of the shaded region is 29.05% or .2905, find the z...

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Question

math Statistics-And-Probability

Answer 1

Answer #1

(5) P(z < Z < 0) = 0.2905

>> P(Z < 0) – P(Z < z) = 0.2905

>> 0.50 – P(Z < z) = 0.2905

>> P(Z < z) = 0.50 – 0.2905

>> P(Z < z) = 0.2095

>> z score = –0.8082

>> z score = –0.81 [Rounded to two decimal places]

(6) P(Z > z) = 0.0991

>> z score = 1.286697

>> z score = 1.2867 [Rounded to four decimal places]

Answer 2

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