Question
In: Statistics and Probability
A trucking company determined that the distance traveled per truck per year is normally distributed, with...
A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 80
thousand miles and a standard deviation of 10 thousand miles.
How many miles will be traveled by at least 70% of the trucks?
The number of miles that will be traveled by at least 70% of the trucks is ___miles.
(Round to the nearest mile as needed.)
d. What are your answers to parts (a) through (c) if the standard deviation is
6thousand miles?
If the standard deviation is 6thousand miles,the proportion of trucks that can be expected to travel between68and80 thousand miles in a year is nothing.
(Round to four decimal places as needed.)
If the standard deviation is
6thousand miles,thepercentage of trucks that can be expected to travel either less than 70or more than 95 thousand miles in a year is ___%.
(Round to two decimal places as needed.)
If the standard deviation is
6 thousand miles, the number of miles that will be traveled by at least 70% of the trucks is___
miles.
(Round to the nearest mile as needed.)
Solutions
orchestra answered 2 years agoRelated Solutions
A trucking company determined that the distance traveled per truck per year is normally distributed, with...
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.
a. What proportion of trucks can be expected to travel between
48 and 60 thousand miles in a year?
b. What percentage of trucks can be expected to travel either
less than 40 or more than 75 thousand miles in a year?
c. How...
A trucking company determined that the distance traveled per truck per year is normally distributed, with...
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 12 thousand miles. Complete
parts (a) through (c) below. a. nbsp What proportion of trucks
can be expected to travel between 34 and 50 thousand miles in a
year? The proportion of trucks that can be expected to travel
between 34 and 50 thousand miles in a year is . 4082. (Round to...
A trucking company determined that the distance traveled per truck per year is normally distributed, with...
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 10 thousand miles. Complete
parts (a) through (c) below. a. nbsp What proportion of trucks
can be expected to travel between 59 and 70 thousand miles in a
year? The proportion of trucks that can be expected to travel
between 59 and 70 thousand miles in a year is nothing. (Round to
four...
A trucking company determined that the distance traveled per truck per year is normally distributed, with...
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 trucking company determined that the distance traveled per
truck per year is normally distributed, with a mean of 40
thousand miles and a standard deviation of 11 thousand miles
c. How many miles will be traveled by at least 65% of the
trucks?
1d) If the standard deviation is 7 thousand miles, the
proportion of trucks that can be expected to travel between 27 and
40 thousand miles in a year is?
2d) If the standard deviation is 7...
A trucking company determined that the distance traveled per truck per year is normally distributed, with...
A trucking company determined that the distance traveled per
truck per year is normally distributed, with a mean 60 thousand
miles and a standard deviation of 11 thousand miles.
How many miles will be traveled by at least 65% of the
truck?
The number of miles that will be traveled by at least 65% of the
truck is ____ miles
A trucking company determined that the distance traveled per truck per year is normally distributed, with...
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 53 and 70 thousand miles in a year? (Round to four
decimal places as needed.)
b. What percentage of trucks can be expected to
travel either less than 75 or more than 110...
A trucking company determined that the distance traveled per truck per year is normally distributed, with...
A trucking company determined that the distance traveled per
truck per year is normally distributed, with a mean of 80 thousand
miles and a standard deviation of 10 thousand miles. Complete
parts (a) through (c) below. a. nbsp What proportion of trucks
can be expected to travel between 66 and 80 thousand miles in a
year? The proportion of trucks that can be expected to travel
between 66 and 80 thousand miles in a year is . 4192. (Round to...
Toby s Trucking Company determined that the distance traveled per truck per year is normally distributed,...
Toby s Trucking Company determined that the distance traveled
per truck per year is normally distributed, with a mean of 50.0
thousand miles and a standard deviation of 12.0 thousand miles.
a. What proportion of trucks can be expected to travel between
34.0 and 50.0 thousand miles in the year?
b. What percentage of trucks can be expected to travel either
below 30.0 or above 60.0 thousand miles in the year?
c. How many miles will be traveled by at...
Q2. Distance (000, miles) traveled by a truck in a year is distributed normally with μ...
Q2. Distance (000, miles) traveled by a truck in a year is
distributed normally with μ = 50.0 and σ = 12.0.
Find
a. the proportion of trucks are
expected to travel from 34.0 to 59 (000, miles)? (0.6816)
b. the probability that a randomly
selected truck travels from 34.0 to 38.0 (000, miles)? (0.0669)
c. the %age of trucks that are
expected to travel either below 30.0 or above 59.0 (000 miles) ?
(27.41)
d. how many of...
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