The probability that a randomly selected box of a certain type of cereal has a particular prize is 0.19. Supposethat you purchase box after box until you have obtained 2 of these prizes.(a) What is the probability that you purchase exactly 8 boxes?(b) What is the probability that you purchase at least 11 boxes?

(a) To solve the problem, we need to determine the probability of purchasing exactly 8 boxes to…

Answered: The probability that a randomly…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A and B please
It was found that 70% of cars in a city are sedan and 65% of cars are white in colour. The probability that a car is a sedan, given that it is white in colour, is 60%. (a) What is the probability in percentage that a car is white in colour given that it is a sedan? % Write all answers to 2 decimal places (b) What is the probability in percentage that it is not a sedan nor white in colour? % Check
An instructor gives his class a set of 12 problems with the information that the next quiz will consist of a random selection of 4 of them. If a student has figured out how to do 9 of the problems, what is the probability the he or she will answer correctly (a) all 4 problems? 0.2545(b) at least 3 problems.
Based on a survey, we assume that 59% of students have a pet. Suppose that there are 4 students sitting at a table. Find the probability of each of these events. Give each probability as a percentage rounded to two decimal places. (a) What is the probability that all 4 students have a pet? (b) What is the probability that none of the 4 students have a pet? % (c) What is the probability that at least one of the 4 students have a pet? % %
A quiz has five "Yes-No" questions. A student decided to randomly guess the answer to each question. (a) What is the probability that the students get exactly three questions correct? (b) Each question in the quiz is worth one point and the passing score of the quiz is three. What is the probability that the student passes the quiz?
fifty-nine percent of U.S. adults think that civil rights for black americans have improved during their lifetime. you randomly select nine U.S. adults find the probability that the number who think that civil rights for black americans have improved during their lifetime is (a) exactly three and (b) exactly five a) The the probability that the number who think that civil rights for Black Americans have improved during their lifetime is exactly three
A company receives 30% of its shipments from source A and the rest from source B. For source A, the defective rate is 10% and for source B, the defective rate is 6%. The company just receives a shipment which contains 10 items.Determine the probability that there will be one defective item.

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