77. At a university, 60% of the 7,400 students are female. The student newspaper reports results of a survey of a random sample of 200 students about various topics involving alcohol abuse, such as participation in binge drinking. (a) Using the binomial distribution, find the probability that at most 104 students in a sample of 200 are female. (b) Describe the sampling distribution of the sample proportion of females in samples of size 200 at this university. (c) Suppose that out of a sample of 200 students, 52% are female (which is 104 out of 200). Find the probability that the sample proportion of females for a random sample of 200 students is at most 0.52. (d) Find the probability that between 50 and 60 percent of students in a random sample of 200 are female.
77. At a university, 60% of the 7,400 students are female. The student newspaper reports results of a survey of a random sample of 200 students about various topics involving alcohol abuse, such as participation in binge drinking. (a) Using the binomial distribution, find the probability that at most 104 students in a sample of 200 are female. (b) Describe the sampling distribution of the sample proportion of females in samples of size 200 at this university. (c) Suppose that out of a sample of 200 students, 52% are female (which is 104 out of 200). Find the probability that the sample proportion of females for a random sample of 200 students is at most 0.52. (d) Find the probability that between 50 and 60 percent of students in a random sample of 200 are female.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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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.
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