You are thinking about the things that can go wrong on your trip home over the T

Question

You are thinking about the things that can go wrong on your trip home over the Thanksgiving break. You have booked a flight with US-Scareways. You know that in 21% of the cases, the company cancels the flight you are on and in that case, there would be no other air travel option home. As a back-up, your friend Walter has offered you a ride back. However, you know that Walter only has a seat in his car for you with 86% probability Round your answer to 4 decimal places) loniaisyourprobabili e for the holidays?

Explanation / Answer

there is 79% chance of reaching home through flight.

If the flight cancels, there is 86% chance of ride with walter.

probability of reaching home when flight cancels = 0.21*0.86 = 0.1806

total probability of reaching home = 0.79 + 0.1806 = 0.9706 = 97.06%

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