118 (b) Find the probability that at least half of the sample 60 CrossFitters has post-graduate (c) Describe the sampling distribution of the sample proportion of CrossFitters who have post- (d) Find the probability that between 25% and 50% of the sample 100 CrossFitters has post- 77. At a university, 60% of the 7,400 students are female. The student newspaper reports results of degrees. graduate degrees for samples of size 100. graduate degrees. 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 (b) Describe the sampling distribution of the sample proportion of females in samples of size (c) Suppose that out of a sample of 200 students, 52% are female (which is 104 out of 200). Find of 200 are female. 200 at this university. the probability that the sample proportion of females for a random sample of 200 students (d) Find the probability that between 50 and 60 percent of students in a random sample of 200 is at most 0.52. are female.
118 (b) Find the probability that at least half of the sample 60 CrossFitters has post-graduate (c) Describe the sampling distribution of the sample proportion of CrossFitters who have post- (d) Find the probability that between 25% and 50% of the sample 100 CrossFitters has post- 77. At a university, 60% of the 7,400 students are female. The student newspaper reports results of degrees. graduate degrees for samples of size 100. graduate degrees. 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 (b) Describe the sampling distribution of the sample proportion of females in samples of size (c) Suppose that out of a sample of 200 students, 52% are female (which is 104 out of 200). Find of 200 are female. 200 at this university. the probability that the sample proportion of females for a random sample of 200 students (d) Find the probability that between 50 and 60 percent of students in a random sample of 200 is at most 0.52. are female.
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.4: Expected Value
Problem 20E
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Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
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Question 77 parts C and D
Transcribed Image Text:118
(b) Find the probability that at least half of the sample 60 CrossFitters has post-graduate
(c) Describe the sampling distribution of the sample proportion of CrossFitters who have post-
(d) Find the probability that between 25% and 50% of the sample 100 CrossFitters has post-
77. At a university, 60% of the 7,400 students are female. The student newspaper reports results of
degrees.
graduate degrees for samples of size 100.
graduate degrees.
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
(b) Describe the sampling distribution of the sample proportion of females in samples of size
(c) Suppose that out of a sample of 200 students, 52% are female (which is 104 out of 200). Find
of 200 are female.
200 at this university.
the probability that the sample proportion of females for a random sample of 200 students
(d) Find the probability that between 50 and 60 percent of students in a random sample of 200
is at most 0.52.
are female.
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