A trucking company determined that the đistance traveled per truck per year is normaßy đístrīibuted, with a mean of 40 thousand miles and a standard deviation of 11 thousand miles. Complete parts (a) through (d) below a. What proportion of trucks can be expected to travel between 27 and 40 thousand mles in a year? The proportion of trucks that can be expected to travel between 27 and 40 thousand miles ina year is 0.3814 (Round to four decimal places as needed) b. What percentage of trucks can be expected to travel elther less than 25 or more than 60 thousand miles in a year? The percentage of trucks that can be expected to travel either less than 25 or more than 60 housand miles ina year is 12.13 (Round to two decimal places as needed) c. How many miles will be traveled by at least 75% of the trucks? The number of miles that wil be traveled by at least 75% of the trucks is mes (Round to the nearest mile as noeded)

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A: Here I am attaching image so that you understand each and every step.

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