Probability Test

Result

Probability Test - 14

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following can not be the probability of an event?

A
1/3

B
0.1

C
35%

D
17/16

Solution

As probability of an event can not be more than 1.
Question 2
1 / -0

If the probability of winning a game is 0.4 then the probability of losing it, is

A
0.96

B
0.4

C
0.6

D
None of these

Solution

P(losing the game) = 1 - P(winning the game)

= (1 - 0.4)

= 0.6
Question 3
1 / -0

The probability of getting 2 heads, when two coins are tossed is

A
1/5

B
3/4

C
1/2

D
1/4

Solution

All possible outcomes are HH, HT, TH, TT. Their number is 4.

Getting 2 heads, means getting HH. Its number is 1.

P(getting 2 heads) = 1/4