7.2 fair dice are rolled. What is the probability of getting a sum of 7 or a sum equal to 10? 8. There are 3 red balloons, 5 blue balloons, and 4 pink balloons in a shop. 3 balloons are chosen at random from the shop by a customer. Find the probability that the balloons chosen are
7.2 fair dice are rolled. What is the probability of getting a sum of 7 or a sum equal to 10? 8. There are 3 red balloons, 5 blue balloons, and 4 pink balloons in a shop. 3 balloons are chosen at random from the shop by a customer. Find the probability that the balloons chosen are
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:### Probability Problems - Homework Set
#### Problem 7:
Two fair dice are rolled. What is the probability of getting a sum of 7 or a sum equal to 10?
#### Problem 8:
There are 3 red balloons, 5 blue balloons, and 4 pink balloons in a shop. Three balloons are chosen at random from the shop by a customer. Find the probability that the balloons chosen are:
a. 2 red and 1 pink
b. all blue
c. of different colors.
#### Problem 9:
A die is tossed twice. Find the probability of getting 1 or 5 on the first toss and a 2, 3, or 6 on the second toss.
#### Problem 10:
Consider a box that contains 14 red chips, 12 blue chips, and 9 yellow chips. Suppose that 2 chips are drawn one after the other without putting back the first chip (without replacement).
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