Q1 /1 Points] DETAILS ILLOWSKYINTROSTAT1 6.1.025.PR. Suppose a normal distribution has a mean of seven and a standard deviation of 1.75. What is the z-score of x = 6.5? (Round your answer to two decimal places.) 2 = Q2 [-/1 Points] DETAILS ILLOWSKYINTROSTAT1 6.1.042.PR. MY NOTES ASK YOUR TEACHER The life of Sunshine CD players is normally distributed with mean of 5.3 years and a standard deviation of 1.9 years. A CD player is guaranteed for three years. We are interested in the length of time a CD player lasts. (Enter exact numbers as integers, fractions, or decimals.) Give the distribution of X. X -? Y Q3 -/1 Points] DETAILS ILLOWSKYINTROSTAT1 6.2.050.PR. Use the following information to answer the next exercise. X ~ N(54, 8) Find the probability that x > 59. (Round your answer to four decimal places.) Q4 [-/1 Points] DETAILS ILLOWSKYINTROSTAT1 6.2.052.PR. Use the following information to answer the next exercise. X ~ N(54, 8) Find the 80th percentile. (Round your answer to two decimal places.) Q5 [-/1 Points] DETAILS ILLOWSKYINTROSTAT1 6.2.056.PR. Find the maximum of x in the bottom quartile. (Round your answer to four decimal places.) X ~ N(5, 6)