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Probability

Authored by arfah amani

Mathematics

11th Grade

Used 2+ times

Probability
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A number is chosen at random from set S = {x : x is an integer from 1 to 30}. Calculate the probability of getting a factor of 20 or a factor of 8.

6/30

4/30

3/30

7/30

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two prefects are chosen at random from five prefects, where three of them are in Form Four and two are in Form Five. Then, calculate the probability that both prefects chosen are in the same form.

2/5

6/20

1/10

6/30

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A and B are two _______ events if the occurrence of event A does not affect the occurrence of event B and vice versa.

independent

dependent

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A and B are _______ events meaning there is no intersection between events A and B.

mutually exclusive

non-mutually exclusive

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The probability of Kam Seng passing his Physics and Chemistry tests are 0.58 and 0.42 respectively. Calculate the probability that Kam Seng passes only one test.

0.2436

0.5128

0.1764

0.3362

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A box contains three yellow pens, five red pens and a black pen. Two pens are chosen at random from the box. Calculate the probability that both pens chosen are of the same colour.

6/72

20/72

1/9

13/36

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Seven cards labelled with the letters “G, E, M, B, I, R, A” are put in a box. A card is chosen at random from the box. Calculate the probability that the card chosen is labelled with a vowel or letter “R”..

4/7

3/7

1/7

2/7

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