Probability Test

Result

Probability Test - 4

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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

If a coin is tossed, which of the following options is the total number of possible outcomes?

A
4

B
2

C
1

D
0

Solution

If a coin is tossed, the total number of possible outcomes is 2 (either heads or tails).
Question 2
1 / -0

In a box, there are 5 Nestle and 18 Dairy Milk chocolates. Mohan picks up a chocolate without looking at it. What is the probability that it will be a Nestle chocolate?

A
5/23

B
18/23

C
8/23

D
5/18

Solution

Number of Nestle chocolates = 5
Number of Dairy Milk chocolates = 18
Total number of chocolates = 18 + 5 = 23
Probability that a picked up chocolate is Nestle = 5/23
Question 3
1 / -0

If p(E) = 0.8, which of the following options represents p(not E)?

A
0.8

B
0

C
0.2

D
1.8

Solution

P (E) + P (not E) = 1
⇒ 0.8 + P (not E) = 1
⇒ P (not E) = 1 – 0.8
= 0.2
Question 4
1 / -0

Directions For Questions

A die is rolled 100 times with the following outcomes:

Outcome 1 2 3 4 5 6

Frequency 4 15 38 9 10 24

...view full instructions

What is the probability of getting a number less than one?

A
4/6

B
0

C
4/100

D
Can't be determined

Solution

On the given die, there is no number less than 1.
So, it is impossible to get a number less than 1.
∴ Required probability is zero (0).