Mathematics
Grade 4
15 min
Find probabilities using the normal distribution
Find probabilities using the normal distribution
Tutorial Preview
1
A bag has 8 red marbles and 2 blue ones. Is it likely to pick a red marble?
2
A spinner has 5 equal parts. 2 are yellow. What is the chance of landing on yellow?
3
Box A has 1 green and 4 red toys. Box B has 3 green and 2 red toys. Which box gives a better chance to pick a green toy?
Sample Practice Questions
Easy
A bag has 10 red balls and 0 blue balls. What is the chance of picking a red ball?
0.Certain
1.Likely
2.Unlikely
3.Impossible
Easy
A spinner has 3 parts. 1 is blue. What is the probability of landing on blue?
0.1/2
1.1/3
2.2/3
3.3/1
Easy
A drawer has 4 green socks and no other socks. Is it likely to pick a green sock?
0.Likely
1.Unlikely
2.Certain
3.Impossible
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