Please help me solve these question I think I did wrong please show me your workThanks a lot

1. The age of 60 randomly selected visitors to the zoo were recorded in the table. Age Frequency Relative Frequency Cumulative Relative Frequency F. M Mean - E F.M 1610 0-9 6 O. T 4. 5 27 . 60 10 - 19 14 0 22 2 33 EF 1405 204 20-29 18 0 .2 0 .63 24: 5 30 - 39 12 0.85 34.5 40 -49 5 - 0.41 4 4. 5 50-59 2.02 10 4 60 - 69 3 0,44 6 4.5 143.5 60 1610 a. Complete the table. b. What percent of the visitors sampled are at least 30 years old? 37. 6 7. c. How many visitors sampled were less than 40 years old? |2 1 16 - |4 1 = 50 d. Approximate the following- use midpoints(5.15.25,...) for values Mean 26.8 3 Median 35 Mode 20 - 24 Q: 15 Q3 55 IQR C5-15 = 40 s 5.46 e. What is the percentile of someone who is 43? f. Find the interval that contains the 20th percentile. g. Make a histogram and boxplot. Is the distribution symmetric, skewed right or skewed left? Skew right 0-9 15 25 35 95 35 6To 2. Scores on a math exam have a mean of 78 and standard deviation of 7. Scott scored 71. How many standard deviations above or below the mean did he score? Erica scored 88.5. How many standard deviations above or below the mean did she score