Probability (Statistics 1 OCR Maths A-level)

Question 1

Below represents the different cats in a cattery. What the probability of picking a tabby cat?

Accepted Answer

5/11

Question 2

What is the probability of the total being an even number AND being a multiple of 3?

Accepted Answer

1/6

Question 3

Two dice rolled, scores added together. What is the probability of getting a total >10

Accepted Answer

1/12

Question 4

same scenario. What's the probability that the sum is an odd number

Accepted Answer

1/2

Question 5

What's the probability of throwing an even number on a standard six sided dice?

Accepted Answer

1/2

Question 6

I roll two dice. What is the probability that the numbers rolled on both dice are NOT the same?

Accepted Answer

5/6

Question 7

What's the probability of picking 2 ginger cats (without replacement)

Accepted Answer

30/110, 3/11

Question 8

what's the probability of picking a tabby cat given that the cat picked has yellow eyes?

Accepted Answer

3/4

Questions 8