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Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If P( −b < z < b)= 0.1264, find b.? A die is rolled 9times. Find the probability of rolling exactly 1 five.? What is the z-score such that the area under the standard normal curve to the left is 0.56? Consider the diagram below and the that radius of the circle is 6 inches. Answer questions? Does the big bang theory mention life?