Fuel economy estimates for automobiles built one year predicted a mean of 28.2mpg and a standard deviation of 4.8mpg for highway driving. Assume that a Normal model can be applied. Use the 68−95−99.7 Rule to complete parts b) through e). b) In what interval would you expect the central 99.7% of autos to be found. Using the 68-95-99.7 rule, the central l99.7%of autos can be expected to be found in the interval from __- to __ MPG c) what percent of autos should get more than 33mpg Usign the 68-95 rule about __% of autos should get more than 33mpg D) what percent of autos should get between 33 and 37.8mpg E) Describe the gas milage of the best 2.5% of cars a) they get more than 42.6mpg b) they get less than 23.4 mph C) they get more than 33 mpg D) they get more than 37.8 mpg
Answers
Answer:
See below
Step-by-step explanation:
a) The central 99.7% of autos are expected to be found in the interval from 13.8 mpg to 42.6 mpg.
c) About 32% of autos should get more than 33 mpg.
d) The percentage of autos that should get between 33 and 37.8 mpg is 32%.
e) The best 2.5% of cars get more than 42.6 mpg.
Related Questions
Which statement is true about a line and a point? A point and a line have length as a dimension to measure. A point is a location and a line has many points located on it. A line and a point cannot lie on the same plane. A line and a point cannot be collinear. 2. Trisha drew a pair of line segments starting from a vertex. Which of these statements best compares the pair of line segments with the vertex? The line segments and the vertex have length as a dimension of measurement and there are three collinear points on each. Line segments and the vertex have two endpoints each and the distance between the end points is their dimension. Line segments have two endpoints and a vertex is a common endpoint where two line segments meet. The line segments and the vertex have their lines extending in one direction only and the lengths of both are infinite.
Round 529 to two significant figures
A person 100 meters from the base of a tree, observes that the angle between the ground and the top of the tree is 18 degrees. Estimate the height h of the tree to the nearest tenth of a meter.
Find if f(x) = 3x and g(x) = x + 1.
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b)10x = y
c)10y = x
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if x represents the abscissa
and y the ordinate then
the product is x*y
Answer A
А=P(1 + Tt)
Answers
Answer:
Option C. r = (27 – P)/3P
Step-by-step explanation:
The following data were obtained from the question:
A = 27
t = 3
r =?
А = P(1 + rt)
With the above formula, we can obtain the value of r as follow
А = P(1 + rt)
27 = P(1 + 3r)
Divide both side by P
27/P = 1 + 3r
Subtract 1 from both side
27/P – 1 = 1 – 1 + 3r
27/P – 1 = 3r
(27 – P)/P = 3r
Divide both side by 3
r = (27 – P)/P ÷ 3
r = (27 – P)/P × 1/3
r = (27 – P)/3P
g(x) = x − 7
4
17
25
31
Answers
Answer:
Option B is correct
= 17
Step-by-step explanation:
Given the functions:
f(x) = 6x+3
g(x) = x-7
Solve:
First do:
Substitute the given values we have;
Put x = 3 above we have;
Therefore, the value of is 17
Answer: 17
Answers
Answer:
No
Step-by-step explanation:
Because of the y^2, each value of x will be represented twice on the y-axis. Henceforth, the vertical line will pass through this line twice. THIS IS NOT A FUNCTION. ... It passes the vertical test for function.
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it opens up and the y coordinate of the vertex is a minimum value!