Sec 3/4 E Math T13-Q13 - Transport choice and lateness

Sec 3/4 E Math T13-Q13 - Transport choice and lateness

Secondary 3
Original parallel to Sec3&4 E Math FA

Ravi travels to school by taxi with probability \(0.40\) and by bus otherwise. The probability that he is late is \(0.08\) when he takes a taxi and \(0.22\) when he takes a bus.

  1. Find the probability that Ravi takes a bus and is late.
  2. Find the probability that Ravi is late.
  3. Find the probability that Ravi is not late.

Solution:

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Answer:(a) \(0.132\); (b) \(0.164\); (c) \(0.836\).

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