Question

If a number x is chosen at random from the number –3, –2, –1, 0, 1, 2, 3. What is probability that x² ≤ 4?

Answer 1

Total number of outcomes = 7

Favourable outcomes = 5(–2, –1, 0, 1, 2)

∴ P(x² ≤ 4) = `"Favourable outcomes"/"Total outcomes"`

= `5/7`