FOUNDATION EXAMINATION: SEPTEMBER 2025Foundation
An emergency room receives an average of 3 patients per hour. What is the probability that exactly 2 patients arrive in an hour? (Given: e⁰ = 1, e⁻¹ = 0.367, e⁻² = 0.135, e⁻³ = 0.049, e⁻⁴ = 0.018, e⁻⁵ = 0.0067)
A
(A) 0.22
B
(B) 0.3
C
(C) 0.27
D
(D) 0.25