Answer:
P(x>21) = 0.2691 (Approx)
Step-by-step explanation:
Given:
Average accident = 16 week
Find:
Probability [more than 21 weeks pass]
Computation:
Exponential [λ] = 1/mean
λ = 1/16
P(x>21) = e^{-λx}
P(x>21) = e^{-(1/16)22}
P(x>21) = 0.2691 (Approx)
