Case Study Challenge
Market Share & Electric Car Probability
Three persons viz. Amber, Bonzi and Comet are manufacturing cars which run on petrol and on battery as well.
Their production share in the market is 60%, 30% and 10% respectively. Of their respective production capacities, 20%, 10% and 5% cars respectively are electric (or battery operated).
Answer the following based on the above:
| (i) | (a) What is the probability that a randomly selected car is an electric car?
— OR —
(b) What is the probability that a randomly selected car is a petrol car? |
[2 Marks] |
| (ii) | A car is selected at random and is found to be electric. What is the probability that it was manufactured by Comet? | [1 Mark] |
| (iii) | A car is selected at random and is found to be electric. What is the probability that it was manufactured by Amber or Bonzi? | [1 Mark] |