Mathematics
Mathematics, 28.06.2021 21:10, Shybaby7334

An insurance company checks police records on 593 accidents selected at random and notes that teenagers were at the wheel in 90 of them. Complete parts a) through d).
a) Construct the 95% confidence interval for the percentage of all auto accidents that involve teenage drivers.
95% CI = (%, 1%
(Round to one decimal place as needed.)
b) Explain what your interval means.
A. We are 95% confident that the percent of accidents involving teenagers is 15.2%.
B. We are 95% confident that a randomly sampled accident would involve a teenager a percent of the time that falls inside the confidence interval limits.
C. We are 95% confident that the true percentage of accidents involving teenagers falls inside the confidence interval limits.

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 19:00, mylittleponeyfbrarit
When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30
Answers: 1
image
Mathematics, 21.06.2019 23:00, rosier2230
Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x
Answers: 2
image
Mathematics, 21.06.2019 23:30, mayratrejorod3
Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday
Answers: 1
image
Mathematics, 22.06.2019 02:00, jemseidle8889
He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2
Answers: 2
Do you know the correct answer?
An insurance company checks police records on 593 accidents selected at random and notes that teenag...

Questions in other subjects:

Konu
English, 12.08.2020 08:01