Concept explainers
To find the probabilities associated with the students that do not buy compact discs.
Explanation of Solution
Given:
A survey that found that
Calculation:
The probability of
Here p represents the probability of success and q represents the probability of failure.
Since
While the remaining 9% buy them, so,
Substitute in the above formula to find the probability that none of the
Thus, the probability that none of the 8 random students do not buy compact discs is.
Substitute in the above formula to find the probability that exactly 1 of the 8 random students surveyed do not buy compact discs,
Substitute in the above formula to find the probability that exactly 2 of the 8 random students surveyed do not buy compact discs,
......
Thus, the probability that all 8 random students surveyed do not buy compact discs is.
To find the probability that at least
Answer to Problem 17STP
Explanation of Solution
Given:
A survey that found that
Calculation:
The number of students out of
From part a, it is clear that,
So, the probability that at least
Thus, the probability that at least
To find the probabilities associated with the students that do not buy compact discs.
Answer to Problem 17STP
Explanation of Solution
Given:
A survey that found that
Calculation:
In general, the mean, of any binomial distribution is,
Here n is the number of trials and p is the probability of success.
For the above situation, it is clear that
Thus, the number of students expected who do not buy compact discs is
Chapter 13 Solutions
Glencoe Algebra 2 Student Edition C2014
Additional Math Textbook Solutions
Basic Business Statistics, Student Value Edition
University Calculus: Early Transcendentals (4th Edition)
Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)
Calculus: Early Transcendentals (2nd Edition)
Introductory Statistics
Elementary Statistics (13th Edition)
- Listen A falling object travels a distance given by the formula d = 6t + 9t2 where d is in feet and t is the time in seconds. How many seconds will it take for the object to travel 112 feet? Round answer to 2 decimal places. (Write the number, not the units). Your Answer:arrow_forwardSolve by the quadratic formula or completing the square to obtain exact solutions. 2 e 104 OA) -16±3√6 B) 8±√10 O c) -8±√10 OD) 8±3√√6 Uarrow_forwardQuestion 14 (1 point) Listen The frame on a picture is 18 in by 22 in outside and is of uniform width. Using algebraic methods, what is the width of the frame if the inner area of the picture shown is 250 in²2? Write answer to 2 decimal places. (Write the number with no units). 18 in Your Answer: 22 inarrow_forward
- ◄ Listen A vacant lot is being converted into a community garden. The garden and a walkway around its perimeter have an area of 560 square feet. Find the width of the walkway (x) if the garden measures 15 feet wide by 19 feet long. Write answer to 2 decimal places. (Write the number without units). X 15 feet Your Answer: 19 feet Xarrow_forwardListen A stuntman jumps from a roof 440 feet from the ground. How long will it take him to reach the ground? Use the formula, distance, d = 16t2, (where t is in seconds). Write answer to 1 decimal place. (Write the number, not the units). Your Answer:arrow_forwardSolve x² - 10x + 24 = 0 ○ A) 4,6 B) -12, -2 C) 12,2 D) -4, -6arrow_forward
- Algebra and Trigonometry (6th Edition)AlgebraISBN:9780134463216Author:Robert F. BlitzerPublisher:PEARSONContemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education