To calculate: The probability that the first type
The probability that you will end up with no red ones is
Given information:
A vending machine contains
Calculation:
Let
Use the complementary rule:
The first type A donor is the fourth person in line when the first three people are not a type A donor and the fourth person is a type A donor.
Assume that the people in the line are randomly lined up and randomly selected, such that it can assume that the blood type of one person does not affect the blood type of the other person (note that it thus requires that the people in the line are unrelated).
Use the multiplication rule for independent events:
Hence, the probability that a set of red, white, and blue is
Chapter 10 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning