WorksheetsProbability of simple events
Total questions: 10
Worksheet time: 49mins
bag contains 5 red marbles, 2 green marbles, and 4 white marbles. What is the probability of picking a green marbles?
5/11
2/11
4/11
6/11
You spin the spinner 1 time.
What is P(7)?
1%
50%
20%
25%
You flip a coin.
What is P(heads)?
50%
1%
25%
100%
Cindy owns 7 t-shirts, 2 of which are gray. If Cindy randomly selects a t-shirt to wear, what is the probability it will be gray?
2/7
5/7
7/7
1/7
You pick a card at random.
What is P(5)?
3/1
3/4
1/4
1
You roll a 6-sided die.
What is P(3)?
1/6
1/3
3/6
6
There are 15 pieces of fruit in a basket, including 3 oranges. What is the probability that a randomly selected piece of fruit will be an orange?
1/5
3/5
5/15
3/10
You tossed a five-peso coin five times and you got heads each time. You tossed again and still a head turned up. Do you think the coin is biased? Why?
I think the coin is biased because it favored the heads.
I think the coins is biased because it is expected to turn up tail for the next experiments.
I think the coin is not biased because both faces of the coin have equal chances of turning up.
I think the coin is not biased because the probability of turning heads is 3/4 while that of tails is only 1/4.
