Mathematics, 16.11.2020 19:20, Clover1072

Researchers are studying two populations of sea turtles. In population D, 30 percent of the turtles have a shell length greater than 2 feet. In population E, 20 percent of the turtles have a shell length greater than 2 feet. From a random sample of 40 turtles selected from D, 15 had a shell length greater than 2 feet. From a random sample of 60 turtles selected from E, 11 had a shell length greater than 2 feet. Let pD represent the sample proportion for D, and let pErepresent the sample proportion for E. (a) What is the value of the difference pD- pE? Show your work.

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:30, aghalyaa

Find the values of y: 3y^3(y^2+ 2/3y)=0

Answers: 2

continue

Mathematics, 22.06.2019 00:30, princeton

What should be done to both sides of the equation in order to solve -5m = -40? a) multiply by -5. b) divide by -5. c) multiply by -40. d) divide by -40.

Answers: 2

continue

Mathematics, 22.06.2019 01:30, jediDR

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 = 4? r^2. write your answer in scientific notation.

Answers: 3

continue

Mathematics, 22.06.2019 04:00, julian1260

Michael and imani go out to eat for lunch if their food and beverages cost 25.30 and there is an 8% meals tax how much is the bill

Answers: 1

continue

Do you know the correct answer?

Researchers are studying two populations of sea turtles. In population D, 30 percent of the turtles...