You may need to use the appropriate appendix table or technology to answer this question. In a large university, 45% of the students are female. (a) If a random sample of twenty students is selected, what is the probability that the sample contains exactly four female students? (Round your answer to four decimal places.) (b) If a random sample of twenty students is selected, what is the probability that the sample will contain exactly 15 female students? (Round your answer to four decimal places.) (c) If a random sample of twenty students is selected, what is the probability that the sample will contain exactly twenty female students? (Round your answer to four decimal places.)
You may need to use the appropriate appendix table or technology to answer this question. In a large university, 45% of the students are female. (a) If a random sample of twenty students is selected, what is the probability that the sample contains exactly four female students? (Round your answer to four decimal places.) (b) If a random sample of twenty students is selected, what is the probability that the sample will contain exactly 15 female students? (Round your answer to four decimal places.) (c) If a random sample of twenty students is selected, what is the probability that the sample will contain exactly twenty female students? (Round your answer to four decimal places.)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
Related questions
Topic Video
Question
You may need to use the appropriate appendix table or technology to answer this question.
In a large university, 45% of the students are female.
(a)
If a random sample of twenty students is selected, what is the probability that the sample contains exactly four female students? (Round your answer to four decimal places.)
(b)
If a random sample of twenty students is selected, what is the probability that the sample will contain exactly 15 female students? (Round your answer to four decimal places.)
(c)
If a random sample of twenty students is selected, what is the probability that the sample will contain exactly twenty female students? (Round your answer to four decimal places.)
(d)
If a random sample of twenty students is selected, what is the probability that the sample will contain more than nine female students? (Round your answer to four decimal places.)
(e)
If a random sample of twenty students is selected, what is the probability that the sample will contain fewer than five female students? (Round your answer to four decimal places.)
(f)
If a random sample of twenty students is selected, what is the expected number of female students?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.Recommended textbooks for you
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL