Q-5: a) | blue balls. A ball is drawn randomly, its colour is noted, and then the ball is replaced in the urn. If this process is repeated four times: i. What is the probability of getting two red balls An urn contains 5 red balls and 6 and 2 blue balls? ii. What is the probability that all 4 balls are of the same colour? iii. What is the probability that the first red ball is drawn in the 4th trial? Number plates in an Arab country b) consist of 3 letters (chosen from a specified set of 20 letters from the Arabic alphabet) and 4 digits (from 0 to 9). 1 Find the probability of a plate having identical letters. i. Find the probability of a plate having identical digits. i. Find the probability of a plate having consecutive digits.
Q-5: a) | blue balls. A ball is drawn randomly, its colour is noted, and then the ball is replaced in the urn. If this process is repeated four times: i. What is the probability of getting two red balls An urn contains 5 red balls and 6 and 2 blue balls? ii. What is the probability that all 4 balls are of the same colour? iii. What is the probability that the first red ball is drawn in the 4th trial? Number plates in an Arab country b) consist of 3 letters (chosen from a specified set of 20 letters from the Arabic alphabet) and 4 digits (from 0 to 9). 1 Find the probability of a plate having identical letters. i. Find the probability of a plate having identical digits. i. Find the probability of a plate having consecutive digits.
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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