Mathematics
Grade 6
45 min
Probability of opposite, mutually exclusive, and overlapping events
Tutorial Preview
1
A bag has 5 blue marbles and 1 red one. What is the probability of NOT picking the red one?
2
A spinner has 3 red, 2 blue, and 1 green section. What is the probability of landing on red OR blue?
3
In a class of 10 students, 4 wear glasses, 3 wear hats, and 1 wears both. What is P(student wears glasses OR a hat)?
Sample Practice Questions
Easy
You roll a standard 6-sided die. What is the probability of NOT rolling a 5?
0.1/6
1.5/6
2.1/5
3.4/5
Easy
A fruit bowl has 4 apples, 3 bananas, and 2 oranges. What is P(picking an apple OR a banana)?
0.7/9
1.1/2
2.3/4
3.7/2
Easy
Of 12 kids, 5 have dogs, 6 have cats, and 2 have both. What is P(a kid has a dog OR a cat)?
0.11/12
1.1/2
2.3/4
3.1
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