Question 12 of 55beginner🔧 ApplyShort Answer3 marks
A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1, 2, 3, 4, 5, 6, 7, 8 (see Fig. 14.5), and these are equally likely outcomes. What is the probability that it will point at (i) 8? (ii) an odd number? (iii) a number greater than 2? (iv) a number less than 9?
(i)
Answer
1/8
(ii)
Answer
1/2
(iii)
Answer
3/4
(iv)
Answer
1
Explanation
This question tests the basic probability formula P(E) = Number of favorable outcomes / Total number of possible outcomes. Since the arrow can point to any of the 8 numbers with equal likelihood, the sample space has 8 equally likely outcomes. Each part requires identifying the favorable outcomes and applying the formula.