SOLUTION: Assume that Z-scores are normally distributed with a mean of 0 and a standard deviation of 1. - If P(z large or equal c) = 0.8944, find c!

Algebra ->  Probability-and-statistics -> SOLUTION: Assume that Z-scores are normally distributed with a mean of 0 and a standard deviation of 1. - If P(z large or equal c) = 0.8944, find c!      Log On


   

Question 430241: Assume that Z-scores are normally distributed with a mean of 0 and a standard deviation of 1.
- If P(z large or equal c) = 0.8944, find c!
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

 P(z ≥ c) = .8944 or P( z < c) = .1056 and z = -1.2503

  (c-0)/1 = -1.25     c = -1.25