A fair spinner has 12 equal sectors numbered 1 to 12. Sectors 2, 3, 5, 8 and 11 are shaded. Find the

Question

A fair spinner has 12 equal sectors numbered 1 to 12. Sectors 2, 3, 5, 8 and 11 are shaded. Find the probability that the selected sector $\text{1}$ $\text{2}$ $\text{3}$ $\text{4}$ $\text{5}$ $\text{6}$ $\text{7}$ $\text{8}$ $\text{9}$ $\text{10}$ $\text{11}$ $\text{12}$

Accepted Answer

(i) $\frac{1}{2}$ (ii) $\frac{5}{12}$ (iii) $\frac{1}{4}$ (iv) $\frac{3}{4}$ (v) $\frac{1}{3}$.

Shaded and numbered spinner events

Shaded and numbered spinner events

Solution:

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