# Question

The probability that an open-heart operation is successful is .84. What is the probability that in two randomly selected open-heart operations at least one will be successful? Draw a tree diagram for this experiment.

## Answer to relevant Questions

Refer to Exercise 4.6. List all of the outcomes in each of the following events and mention which of these are simple and which are compound events. a. Exactly one customer receives $20 bills. b. Both customers receive $10 ...A veterinarian assigned to a racetrack has received a tip that one or more of the 12 horses in the third race have been doped. She has time to test only 3 horses. How many ways are there to randomly select 3 horses from ...A car rental agency currently has 44 cars available, 28 of which have a GPS navigation system. One of the 44 cars is selected at random. Find the probability that this car a. Has a GPS navigation system b. Does not have a ...Refer to Exercise 4.134. Two cars are selected at random from these 44 cars. Find the probability that both of these cars have GPS navigation systems. A box contains 10 red marbles and 10 green marbles. a. Sampling at random from this box five times with replacement, you have drawn a red marble all five times. What is the probability of drawing a red marble the sixth ...Post your question

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