1. Which of the following denotes the standard normal distribution? A、A B. X C.Y D.Z 2. Which of the following describes the standard normal distribution? A. has a mean of zero 0 and a standard deviation of 1. B. has a mean of 1 and a variance of zero 0. C. has an area equal to .5. D. cannot be used to approximate discrete probability distributions. 3. What is the formula in finding the Z-SCOre A. z=frac x-mu B. z=frac mu -sigma x C. z=frac sigma -mu r D. z=frac hat x-sigma mu

Question
1. Which of the following denotes the standard normal distribution? A、A B. X C.Y D.Z 2. Which of the following describes the standard normal distribution? A. has a mean of zero 0 and a standard deviation of 1. B. has a mean of 1 and a variance of zero 0. C. has an area equal to .5. D. cannot be used to approximate discrete probability distributions. 3. What is the formula in finding the Z-SCOre A. z=frac x-mu B. z=frac mu -sigma x C. z=frac sigma -mu r D. z=frac hat x-sigma mu
Answer:
1. Which of the following denotes the standard normal distribution? A、A B. X C.Y D.Z 2. Which of the following describes the standard normal distribution? A. has a mean of zero 0 and a standard deviation of 1. B. has a mean of 1 and a variance of zero 0. C. has an area equal to .5. D. cannot be used to approximate discrete probability distributions. 3. What is the formula in finding the Z-SCOre A. z=frac x-mu B. z=frac mu -sigma x C. z=frac sigma -mu r D. z=frac hat x-sigma mu 65105aa1a5ecd.webp
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