Mathematics, 31.05.2021 18:20 wolfgirl4762

Suppose that a police officer measured the speed of cars on a highway for an hour. The average speed of the cars was 71.3 and the standard deviation was 5.23. However, since the radar gun was biased, 4.9 is added to every observation in the dataset. What will the new standard deviation be?

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 22.06.2019 00:00

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.

Answers: 2

Answer

Mathematics, 22.06.2019 01:30

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2

Answers: 2

Answer

Mathematics, 22.06.2019 06:30

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr^2. write your answer in scientific notation.

Answers: 2

Answer

Mathematics, 22.06.2019 08:00

20 pointstwo right triangles are graphed on a coordinate plane. one triangle has a vertical side of 3 and a horizontal side of 7. the other triangle has a vertical side of 9 and a horizontal side of 21. could the hypotenuses of these two triangles lie along the same line? yes, because they are both right triangles yes, because they are similar triangles no, because they are not similar triangles no, because one is larger than the other

Answers: 1

Answer

You know the right answer?

Suppose that a police officer measured the speed of cars on a highway for an hour. The average speed...

Questions

Mathematics, 14.06.2021 14:00

In parallelogram EFGH if m∡GHE=160 find ∡m∡EFG