2. A multi-sided die with less than 20 sides is rolled. The probability of rolling a number divisible by 6 is. How many sides are there on the die? 3. A student writes a multiple-choice test that consists of 3 questions, each with 4 choices. What is the probability of the student having a perfect mark on the test by guessing? 4. Given that P(A) = 0.4, P(B) = 0.5, and P(AUB) is 0.6, what is the value of P(AnB)?

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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2. A multi-sided die with less than 20 sides is rolled. The probability of rolling a number divisible by 6 is.
How many sides are there on the die?
3. A student writes a multiple-choice test that consists of 3 questions, each with 4 choices. What is the
probability of the student having a perfect mark on the test by guessing?
4. Given that P(A) = 0.4, P(B) = 0.5, and P(AUB) is 0.6, what is the value of P(AnB)?
Transcribed Image Text:2. A multi-sided die with less than 20 sides is rolled. The probability of rolling a number divisible by 6 is. How many sides are there on the die? 3. A student writes a multiple-choice test that consists of 3 questions, each with 4 choices. What is the probability of the student having a perfect mark on the test by guessing? 4. Given that P(A) = 0.4, P(B) = 0.5, and P(AUB) is 0.6, what is the value of P(AnB)?
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