Safari File Edit View History Bookmarks Window Help Q Sat Oct 23 4:51 PM E v webassign.net C + 88 5. [-/12 Points] DETAILS ILLOWSKYINTROSTAT1 6.2.076.HW. 0/5 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 240 feet and a standard deviation of 50 feet. Let X = distance in feet for a fly ball. Part (a) Give the distribution of X. X ~ + Part (b) + Part (c) 6. [5/9 Points] DETAILS PREVIOUS ANSWERS ILLOWSKYINTROSTAT1 6.2.077.HW.GENERAL. 1/5 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose 4-year-olds in a certain country average 3 hours a day unsupervised and that most of the unsupervised children live in rural areas, considered safe. Suppose that the standard deviation is 1.8 hours and the amount of time spent alone is normally distributed. We randomly survey one 4-year-old living in a rural area. We are interested in the amount of time the child spends alone per day. Part (a) In words, define the random variable X. the time (in hours) a child spends unsupervised per day the number of people that live in rural areas the number of 4-year-old children that live in rural areas the time (in hours) a 4-year-old spends unsupervised per week the time (in hours) a 4-year-old spends unsupervised per day Part (b) OCT 23. O . E] V I) l B webassign.net Cl B Part ('5) What percent of lhe children spend over 10 hours per day unsupervised? (Round your answer to four decimal places.) 0.0051 v % El Part (a) 80% of the children spend at least how long per day unsupervised? (Round your answer to two decimal places.) 2 x hours Viewing Saved Work Raven to Last Response 1. [-14 Points] ILLOWSKYINTROSTAT1 6.2.072.HW. 0/5 Submissions Used The length of time it takes to nd a parking space at 9 AM. follows a normal distribution with a mean of 4 minutes and a standard deviation of 3 minutes. Sixty percent of the time, it takes more than how many minutes to nd a parking space? (Round your answer to two decimal places.) min ASK YOUR TEACHER PRACTICE ANOTHER