Question 6 A normal distribution with a mean of 0 and a standard deviation of 1 is called O a standard normal distribution. O a probability density function an ordinary normal curve an exponential distribution: Question 7 The probability that a continuous random variable takes any specific value O is at least 0.5 O is very close to 1.0 O depends on the probability density function Ois equal to zero 5 pts 5 pts