Question
A bag contains 4 red balls, 5 blue balls, and 3 green
balls. Two balls are drawn randomly. What is the probability that both are blue?Solution
Total balls = 4 + 5 + 3 = 12. Total ways to choose 2 balls = 12C2 = 66. Ways to choose 2 blue balls = 5C2 = 10. Probability = 10 / 66 = 5 / 33. Correct Option: d
More Probability Questions
The highest level in the hierarchy of data organization is called
Hackers often gain entry to a network be pretending to be at a legitimate computer
What is 'Multitasking' in computing?
File extensions are used in order to
The operating system feature that allows multiple programs to run simultaneously is called-
What is the purpose of an AI-based chatbot used in customer service?
A web address is also known as
What is system software?
The main circuit board in a computer is called?
Which memory hierarchy level is closest to the CPU?
Relevant for Exams:
