Mathematics, 21.10.2020 17:01 corban13

John Beale of Stanford, California, recorded the speeds of cars driving past his house, where the speed
limit reads 20 mph. The mean of 100 readings was
23.84 mph, with a standard deviation of 3.56 mph. (He
actually recorded every car for a two-month period.
These are 100 representative readings.)
How many standard deviations from the mean would a
car going under the speed limit be?

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:00, cupcake122016

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Answers: 1

continue

Mathematics, 21.06.2019 17:50, tm133043

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Answers: 1

continue

Mathematics, 21.06.2019 21:30, tanabugg

Extra points! find the missing dimension! need asap

Answers: 2

continue

Mathematics, 22.06.2019 00:00, vvaallww

Jonathan can throw a baseball 10 1/3 yards. his brother joey can throw a baseball 13 1/2 yards. how much father can joey throw the ball?