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Question 5 Suppose a random variable X has a normal distribution with a mean of 678 and a standard deviation of 2. What is the 20th percentile of the distribution of X? (Give your response to at least 3 decimal places. Give only the numeric response, and not any extra characters or symbols.)Question An urn contains 10 red balls and 8 green balls. The balls are mixed up, and 5 balls are selected randomly and without replacement. If at least one of these 5 balls is red, what is the probability that exactly 2 are red? Your Answer:Question Suppose a random variable Xhas a normal distribution with a mean of 678 and a standard deviation of 2. What is the 20th percentile of the distribution of X? (Give your response to at least 3 decimal places. Give only the numeric response, and not any extra characters or symbols.) Your