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.
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