Answer al please i will 3 upvote rating d. What are your answers to parts (a) through (c) if the standard deviation is 8 thousand miles?If the standard deviation is 8 thousand miles, the proportion of trucks that can be expected to travel between 45 and 60 thousand miles in a year is(Round to four decimal places as needed.)If the standard deviation is 8 thousand miles, the percentage of trucks that can be expected to travel either less than 50 or more than 75 thousand miles in a yearis %(Round to two decimal places as needed.)If the standard deviation is 8 thousand miles, the number of miles that will be traveled by at least 65% of the trucks is miles.(Round to the nearest mile as needed.) A Irucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 60 thousand miles and a standard deviation of10 thousand miles. Complete parts (a) through (d) below.a. What proportion of trucks can be expected to travel between 45 and 60 thousand miles in a year?The proportion of trucks that can be expected to travel between 45 and 60 thousand miles in a yoar is(Round to four decimal places as needed )b. What percentage of trucks can be expected to travel either less than 50 or more than 75 thousand miles in a year?The percentage of trucks that can be expected to travel oither less than 50 or more than 75 thousand miles in a year is%.(Round to two decimal places as neded)c. How many miles will be traveled by at least 65% of the trucks?The number of miles that will be traveled by at least 65% of the trucks is miles(Round to the nearest mile as needed)olsd. What are your answers to parts (a) through (c) if the standard deviation is 8 thousand miles?if the standard deviation is 8 thousand miles, the proportion of trucks that can be expected to travel between 45 and 60 thousand miles in a year is(Round to four decimal places as needed.)

Question

Answer al please i will 3 upvote  rating d. What are your answers to parts (a) through (c) if the standard deviation is 8 thousand miles?If the standard deviation is 8 thousand miles, the proportion of trucks that can be expected to travel between 45 and 60 thousand miles in a year is(Round to four decimal places as needed.)If the standard deviation is 8 thousand miles, the percentage of trucks that can be expected to travel either less than 50 or more than 75 thousand miles in a yearis %(Round to two decimal places as needed.)If the standard deviation is 8 thousand miles, the number of miles that will be traveled by at least 65% of the trucks is miles.(Round to the nearest mile as needed.) A Irucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 60 thousand miles and a standard deviation of10 thousand miles. Complete parts (a) through (d) below.a. What proportion of trucks can be expected to travel between 45 and 60 thousand miles in a year?The proportion of trucks that can be expected to travel between 45 and 60 thousand miles in a yoar is(Round to four decimal places as needed )b. What percentage of trucks can be expected to travel either less than 50 or more than 75 thousand miles in a year?The percentage of trucks that can be expected to travel oither less than 50 or more than 75 thousand miles in a year is%.(Round to two decimal places as neded)c. How many miles will be traveled by at least 65% of the trucks?The number of miles that will be traveled by at least 65% of the trucks is miles(Round to the nearest mile as needed)olsd. What are your answers to parts (a) through (c) if the standard deviation is 8 thousand miles?if the standard deviation is 8 thousand miles, the proportion of trucks that can be expected to travel between 45 and 60 thousand miles in a year is(Round to four decimal places as needed.)

Accepted Answer

Here, mean is 60 thousand and standard deviation is 10 thousand.
a. The proportion of trucks can be…

A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 60 thousand miles and a standard deviation of 10 thousand miles. Complete parts (a) through (d) below.