Question

Trucks in a delivery fleet travel a mean of 120 120 miles per day with a standard deviation of 19 19 miles per day. The mileage per day is distributed normally. Find the probability that a truck drives between 133 133 and 146 146 miles in a day. Round your answer to four decimal places.

Answer #1

Trucks in a delivery fleet travel a mean of 110 miles per day
with a standard deviation of 26 miles per day. The mileage per day
is distributed normally. Find the probability that a truck drives
between 63 and 125 miles in a day. Round your answer to four
decimal places.

Trucks in a delivery fleet travel a mean of 110 miles per day
with a standard deviation of 18 miles per day. The mileage per day
is distributed normally. Find the probability that a truck drives
between 138 and 149mmiles in a day. Round your answer to four
decimal places.

Trucks in a delivery fleet travel a mean of 100 miles per day
with a standard deviation of 38 miles per day. The mileage per day
is distributed normally. Find the probability that a truck drives
at least 141 miles in a day. Round your answer to four decimal
places.

Trucks in a delivery fleet travel a mean of 120miles per day
with a standard deviation of 10miles per day. The mileage per day
is distributed normally. Find the probability that a truck drives
between 106and 130 miles in a day. Round your answer to four
decimal places.

A trucking company determined that the distance traveled
per truck per year is normally distributed, with a mean of 50
thousand miles and a standard deviation of 10 thousand miles.
Complete parts (a) through (b) below.
a. What proportion of trucks can be expected to travel
between 37 and 50 thousand miles in a year?
The proportion of trucks that can be expected to travel
between 37 and 50 thousand miles in a year is__.
(Round to four decimal places...

Assume that gas mileage for cars is normally distributed with a
mean of 23.5 miles per gallon and a standard deviation of 10 miles
per gallon. Show all work. Just the answer, without supporting
work, will receive no credit.
(a) What is the probability that a randomly selected car gets
between 15 and 30 miles per gallon? (Round the answer to 4 decimal
places)
(b) Find the 75th percentile of the gas mileage distribution.
(Round the answer to 2 decimal...

A trucking company determined that the distance traveled
per truck per year is normally distributed, with a mean of 50
thousand miles and a standard deviation of 10 thousand miles.
Complete parts (a) through (b) below.
a. What proportion of trucks can be expected to travel
between 37 and 50 thousand miles in a year?
The proportion of trucks that can be expected to travel
between 37 and 50 thousand miles in a year is__.
(Round to four decimal places...

A trucking company determined that the distance traveled per
truck per year is normally? distributed, with a mean of 50 thousand
miles and a standard deviation of 10 thousand miles. Complete
parts? (a) through? (c) below. A. What proportion of trucks can be
expected to travel between 37 and 50 thousand miles in a? year? The
proportion of trucks that can be expected to travel between 37 and
50 thousand miles in a year is (Round to four decimal places...

A trucking company determined that the distance traveled per
truck per year is normally distributed, with a mean of 70 thousand
miles and a standard deviation of 11 thousand miles.
a. What proportion of trucks can be expected to travel between
55 and 70 thousand miles in a year?
The proportion of trucks that can be expected to travel between
55 and 70 thousand miles in a year is 0.4131
(Round to four decimal places as needed.)
b. What percentage...

A trucking company determined that the distance traveled per
truck per year is normally distributed, with a mean of 70 thousand
miles and a standard deviation of 12 thousand miles. Complete
parts (a) through (c) below.
a. What proportion of trucks can be expected to travel between
54 and 70 thousand miles in a year? The proportion of trucks that
can be expected to travel between 54 and 70 thousand miles in a
year is 0.4082. (Round to four decimal...

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