Probability and Conditional Probability MCQ Quiz in मल्याळम - Objective Question with Answer for Probability and Conditional Probability - സൗജന്യ PDF ഡൗൺലോഡ് ചെയ്യുക
Last updated on Mar 18, 2025
Latest Probability and Conditional Probability MCQ Objective Questions
Top Probability and Conditional Probability MCQ Objective Questions
Probability and Conditional Probability Question 1:
In a lottery, the probability of winning is 3 out of 150. What is the probability of not winning the lottery?
Answer (Detailed Solution Below)
Probability and Conditional Probability Question 1 Detailed Solution
The probability of winning is given as
Probability and Conditional Probability Question 2:
In a box of 50 light bulbs, 8 are defective. What is the probability that a randomly selected light bulb from the box is not defective?
Answer (Detailed Solution Below)
Probability and Conditional Probability Question 2 Detailed Solution
The total number of light bulbs is 50, and the number of defective bulbs is 8. Therefore, the number of non-defective bulbs is
Probability and Conditional Probability Question 3:
In a group of 200 students, 50 students are in the chess club. If one student is chosen at random, what is the probability that this student is not in the chess club?
Answer (Detailed Solution Below)
Probability and Conditional Probability Question 3 Detailed Solution
The probability of selecting a student who is not in the chess club is the complement of selecting one who is in the club. There are 50 students in the chess club, so 150 are not. The probability is
Probability and Conditional Probability Question 4:
A survey reveals that 15 out of every 75 employees in a company use public transportation to commute. If one employee is selected at random, what is the probability that this employee uses public transportation?
Answer (Detailed Solution Below)
Probability and Conditional Probability Question 4 Detailed Solution
To find the probability that an employee uses public transportation, we first note that 15 out of 75 employees use it. The probability is calculated by dividing the number of favorable outcomes by the total number of outcomes. Therefore, the probability is
Probability and Conditional Probability Question 5:
A class has 30 students, where 70% are male. How many students are female?
Answer (Detailed Solution Below)
Probability and Conditional Probability Question 5 Detailed Solution
If 70% of the students are male, then 30% are female, since the total must be 100%. Calculate 30% of 30 to find the number of females:
Probability and Conditional Probability Question 6:
In a dice game, the probability of rolling a 6 is
Answer (Detailed Solution Below)
Probability and Conditional Probability Question 6 Detailed Solution
The probability of rolling a 6 is
Probability and Conditional Probability Question 7:
A box contains 20 blue, 15 green, and 5 red marbles. If a marble is drawn at random, what is the probability that it is not blue?
Answer (Detailed Solution Below)
Probability and Conditional Probability Question 7 Detailed Solution
There are a total of
Probability and Conditional Probability Question 8:
A jar contains 10 red, 5 blue, and 3 yellow balls. What is the probability of drawing a blue or yellow ball?
Answer (Detailed Solution Below)
Probability and Conditional Probability Question 8 Detailed Solution
The total number of balls is
The number of blue or yellow balls is
Thus, the probability of drawing a blue or yellow ball is
However, to match the options, we present
Probability and Conditional Probability Question 9:
In a survey, 60% of respondents preferred coffee over tea. If 150 people were surveyed, how many preferred tea?
Answer (Detailed Solution Below)
Probability and Conditional Probability Question 9 Detailed Solution
If 60% of the respondents preferred coffee, then 40% preferred tea, as the total must add up to 100%. To find the number of people who preferred tea, calculate 40% of 150.
Probability and Conditional Probability Question 10:
There are 40 students in a class. If 18 of them are on the soccer team, what is the probability that a randomly selected student is on the soccer team?
Answer (Detailed Solution Below)
Probability and Conditional Probability Question 10 Detailed Solution
To find the probability that a randomly chosen student is on the soccer team, divide the number of soccer team members by the total number of students. There are 18 soccer team members out of 40 students, so the probability is