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Worksheets7th grade probabity
Total questions: 10
Worksheet time: 5mins
What is the chance of you rolling a 3
16%
12%
25%
13%
if you have 2 dices what is the chance of getting 3
8%
12%
5%
25%
A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?
2/7
11/21
10/21
5/7
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?
1/5
9/20
2/5
8/15
Three unbiased coins are tossed. What is the probability of getting at most two heads?
7/8
3/4
1/4
3/8
In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is:
21/46
25/117
1/50
3/23
A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is:
1/13
2/13
1/26
1/52
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?
3/4
4/7
1/8
3/7
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?
1/2
3/8
3/4
5/16
Two dice are tossed. The probability that the total score is a prime number is:
1/6
5/12
1/2
7/9
