Consider your answer in part (a). What is the probability that pˆD−pˆE is greater than the value found in part (a)? Show your work. (image is my answer in part a, and screenshot is my problem)
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
Consider your answer in part (a). What is the
(image is my answer in part a, and screenshot is my problem)
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![Question 1
Show all your work. Indicate clearly the methods you use, because you will be scored on the
correctness of your methods as well as on the accuracy and completeness of your results and
explanations.
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 Pp represent the sample proportion for D, and let Pp represent the sample
proportion for E.
(a) What is the value of the difference pp - PR? Show your work.
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![](/static/compass_v2/shared-icons/check-mark.png)
Given,
In Population D:
Population Proportion :Turtles have a shell length greater than 2 feet = 0.3
Random Sample = 40
Turtles have a shell length greater than 2 feet in random sample = 15
In Population E:
Population Proportion :Turtles have a shell length greater than 2 feet = 0.2
Random Sample = 60
Turtles have a shell length greater than 2 feet in random sample = 11
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