Preview (10 questions)
1 Question
30 secunde în urmă
Q.

Find the probability of getting a numbered card when a card is drawn from the pack of 34 cards.


21

9/13

5/11

16

2 Question
30 secunde în urmă
Q.

A coin is thrown 2 times What is the probability that at most one head is obtained?


3/4

1/4

2/4

0

3 Question
30 secunde în urmă
Q.

What is the probability of getting a sum of 2 or 11 on two dice?


2/13

1/18

2

1

4 Question
30 secunde în urmă
Q.

Find the probability that a leap year has 53 Saturdays.


1/5

3

4/5

2/7

5 Question
30 secunde în urmă
Q.

What is the formula for probability in the Rule of Complementary Events?


P(A') + P(A) = 1

P(A∪B) = P(A) + P(B) – P(A∩B)

P(A∩B) = 0

P(A∩B) = P(A) ⋅ P(B)

6 Question
30 secunde în urmă
Q.

Elon flips three coins at the same time, can you tell the probability of Elon getting at most’ two tails when the coins land?


21

1/7

11/18

10/32

7 Question
30 secunde în urmă
Q.

What is the formula for Binomial probability?


f(x∣p)=pxi(1−p)1−xi

f(k;n,p)=n!k!(n−k)!pk(1−p)n−k

f(x|p)=p1(1−p)1−1=p

f(x|p)=p0(1−p)1−0=(1−p)

8 Question
30 secunde în urmă
Q.

Pavithra tosses a die 250 times and he documents the score of getting 6 as 20 times. What could be the probability of retrieving a score of 6?


0.99

1/9

9/10

0.08

9 Question
30 secunde în urmă
Q.

Find the probability of throwing three dice and retrieving a sum of 36.


1.11

6

36

216

10 Question
30 secunde în urmă
Q.

A card is drawn from a well-shuffled pack of 52 cards. Find the probability of getting

1. a king of red color

2. ‘4’ of spades


1/26,1

3/26, 3/13

3/13,1/4

1/52,1