Have any questions?
[email protected]
English
Vietnamese
French
Spanish
Korean
Japanese
Thai
Chinese
Indonesian
Login
Signup
Contact
Login
Home
A bag contains 6 black and 8 white balls.
Question 1:
A bag contains 6 black and 8 white balls. One ball is drawn at random.
What is the probability that the ball drawn is white?
A.
3/4
B.
4/7
Feedback
Let number of balls = (6 + 8) = 14.
Number of white balls = 8.
P (drawing a white ball) = 8/14 = 4/7.
C.
1/8
D.
3/7
These questions are from this test. Would you like to take a practice test?
Practice Probability Online Test 4 | Englishfreetest.com
20 minutes
10 questions
Do test
Some questions from the same exam
A card is drawn from a pack of 52 cards.
The probability of getting a queen of club or a king of heart is:
One card is drawn at random from a pack of 52 cards.
What is the probability that the card drawn is a face card (Jack, Queen and King only)?
A bag contains 6 black and 8 white balls. One ball is drawn at random.
What is the probability that the ball drawn is white?
In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random.
What is the probability of getting a prize?
Two dice are thrown simultaneously.
What is the probability of getting two numbers whose product is even?
Two dice are tossed. The probability that the total score is a prime number is:
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random.
What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
From a pack of cards two cards are drawn one after the other, with replacement.
The probability that the first is a red card and the second is a king is
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random,
find the probability that atleast one bulb is good.
Out of 15 consecutive numbers, 2 are chosen at random.
The probability that they are both odds or both primes is
Some other questions you may be interested in
Who was at the party? …, so something very bad must have happened.
What would you like to eat for lunch? …, I don’t mind.
Where do you want to go on holiday? … with a beach.
I have … to say to you. Goodbye!
I felt so good being on stage. I was sure that … was looking at me.
Can you please … some money until next week?