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Let Z be a continuous random variable with standard normal distribution. Find P(Z

Let Z be a continuous random variable with standard normal distribution. Find < 1.25). QUESTION 2 Let Z be a continuous random variable with standard normal distribution. Find P(l.ll < Z < 2.07). QUESTION 3 2.5. Find P(66 f x 71). Let X be a continuous random variable having normal distribution with = 68 and = QUESTION 4 Let X be a continuous random variable having normal distribution with = 68 and 2.5. Find 70). QUESTION 5 Let X have binomial distribution b(:r; 12, 0.25). Approximate P(3 X 5) using the normal distribution. QUESTION 6 Entry to a certain university is determined by a national test. The scores on this test are assumed to be normally distributed with a mean of 400 and a standard deviation of 50. Let X be a random variable that denotes the test scores. Find P(X 475).