In a survey on holidays, 120 people were asked to state which type of transport they used on their last holiday. The following pie chart shows the results of the survey. Observe the pie chart and answer the following questions: (i) If one person is selected at random, find the probability that he/she travelled by bus or ship. 1 (ii) Which is most favourite mode of transport and how many people used it? 1 (iii)(a) A person is selected at random. If the probability that he did not use train is $\frac{4}{5}$, find the number of people who used train. 2 OR 2 30/2/2 Note: Except these, all other questions have been given in Outside Delhi Set-1
Explanation
The probability that a person travelled by bus or ship is the sum of the probabilities of travelling by bus and ship, which is 0.25 + 0.2 = 0.45. The probability that a person travelled by bus or ship is 45/200 = 9/40.
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