Question

The probability that more than 3 cars will arrive during any 10 min period is

(a) 0.249

(b) 0.143

(c) 0.346

(d) 0.543

The question was posed to me in quiz.

This question is from Continous Time Signals topic in portion EDC Overview of Electronic Devices & Circuits

Answer 1

Correct answer is (b) 0.143

The explanation: Evaluate 1 – P(x = 0) – P(x = 1) – P(x = 2) – P(x = 3).