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Probability of the complement of an event

Authored by KALAIVANI Moe

Mathematics

11th Grade

CCSS covered

Used 60+ times

Probability of the complement of an event
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The probability of David passing his driving test is 0.7. What is the probability of David failing the test?

0.7

0.3

0

1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In an experiment of rolling a fair dice, A is defined as the event of obtaining a multiple of 3. Find P(A’).

1/2

1/3

2/3

1/6

Tags

CCSS.HSS.CP.A.1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A worker at a toll plaza observes that 60% of the cars that pass through the toll plaza are Toyota cars. Find the probability that a car, picked at random among those that pass through the toll plaza, is not a Toyota car.

2/5

3/5

0.2

0.6

Tags

CCSS.HSS.CP.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A box contains 3 red, 2 green and 5 white balls which are identical except for their colours. A ball is drawn from the box at random. Find the probability that the ball drawn is not a red ball.

1/2

3/10

2/10

7/10

Tags

CCSS.7.SP.C.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The probability of the school hockey team losing a match to a neighbouring school team is 3/5. The probability of the match ending in a draw is 1/8. Find the probability of the school hockey team winning the match.

2/5

29/40

11/40

3/5

Tags

CCSS.HSS.CP.B.7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

During a rainy season, the probability of raining on a particular day is 3/5. In a month of 30 days during the season, find the expected number of days without rain.

18

12

15

6

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

CCSS.HSS.MD.B.5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A number is selected at random from set S ={x:51≤x≤100,x is an integer}. Find the probability that the number is not a multiple of 7.

1/25

2/25

7/50

43/50

Tags

CCSS.HSS.CP.A.1

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