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N(0,1) For the picture above, which shows the standard normal curve with critical values marked, if c = 0.85, then . (Round y
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Answer #1

Solution:

Solution

Given that,

P( -zc < Z < zc ) = 0.85

P( Z < zc ) - P( Z < -zc ) = 0.85

2*P(Z < z ) - 1 = 0.85

2*P(Z < z ) = 1 + 0.85

P( Z < z ) = 1.85/ 2

P( Z < z ) = 0.925

P( Z < 1.4395) = 0.925

zc = 1.4395

and

-zc = -1.4395

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