Mathematics, 28.09.2019 06:30 dctjr

Me with multiple choice algebra question :
in a sample of 150 cars, 18 cars failed a safety inspection. the sampling method had a margin of error of 0.02.

what is the interval estimate for the proportion that would fail in the form (lower limit, upper limit) ?

a) (0.10,0.14)

b) (0.12,0.16)

c) (0.07,0.11)

d) (0.13,0.17)

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:50, karen718

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Answers: 1

continue

Mathematics, 21.06.2019 23:30, blueval3tine

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earn $75 in interest. how much interest will she earn during the following year?

Answers: 1

continue

Mathematics, 22.06.2019 05:00, dicewillis

As a salesperson you get $53/day and $3.75/ each sal you make. if you want to make at least $128 in one day, how many sales would you need to make? a 10b 15c 20d 25

Answers: 1

continue

Mathematics, 22.06.2019 05:30, desscraft30

The percent of change from 12 to 15

Answers: 2

continue

You know the right answer?

Me with multiple choice algebra question :
in a sample of 150 cars, 18 cars failed a safety i...