QUESTION 4: In a certain country, the weather each d…
QUESTION 4: In a certain country, the weather each day is classified as fine or rainy. The probability that a fine day is followed by a fine day is 0.75 and the probability that a rainy day is followed by a fine day is 0.4. The probability that it is fine on 1 April is 0.8. The tree diagram below shows the possibilities for the weather on 1 April and 2 April. RIGHT click on the blue button to view the tree diagram 4.1 Complete the tree diagram by writing in all the probabilities. (2) 4.2 Find the probability that 2 April is fine. (2) 4.3 Let X be the event that 1 April is fine, and Y be the event that 3 April is rainy. Find the value of