moldo14 1. The life of a certain type of engine is normally distributed with a mean of 10 years, and a standard deviation of 1.5 years. (1) If one (n=1) engine is randomly selected, what is the probability that the life of this engine is between 8 and 13 years? a. Find the z-score, and construct the standard normal distribution density curve, then shade your seeking area. CHILL S Problem #2. (20 points) The table below shows ages at a 2018 New York Party at Telemundo Table 3 12 23 Age (years) 21 12 29 12 Class Class Limits Boundaries CL UCL UCB UCB 24 77 80 85 79 31 66 47 Find the Class width, estimated mean by completed Table 3, used the data from table 3 b) Graph Histogram, Relative Histogram, Ogive, Polygon, Pareto Chart. Include all labels Frequency Midpoint f 41 32 Calculation Table 4 Inches of Rainfall per Year - Frequency Distribution Calculations Relative Frequency Rf Cumulative Frequency Cf 12 81 12 88 Midpoint* Frequency