7 When Liam commutes to work the amount of time it takes him to arrive is normally distributed with a mean of 55 minutes and a

Question

7 When Liam commutes to work the amount of time it takes him to arrive is normally distributed with a mean of 55 minutes and a standard deviation of 4 5 minutes a What percentage of times does it take him LESS THAN 60 minutes to get to work 60 55 86 43 2 4 5 578 8643 1 11 b What percentage of times does it take him BETWEEN 46 and 46 55 4 5 2 86 43 2 28 84 15 d What times mark the middle 80 of the commute times e 505 55 59 5 64 68 5 02 28 c Out of the 207 days that Liam commutes to work per year how many times would his commute be between 46 and 60 minutes to the nearest whole number 0 5 207 8415 174 times 10 1 29 x 5S 4 5 4 5 4 5 49 15 60 805 0 5 TOO 80 20 2 10 100 10 90 2 9 5565 1 55 10 5 805 FSS 5 60 805 40 29 x 55 4 5 49 195 4 5 5

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