Probability based on relative frequency

Reference no: EM1315669

1) What is the probability that a roulette ball will come to rest on an even number other than 0 and 00? (Assume that there are 38 equally likely outcomes consisting of the numbers 1-36, 0, and 00. Round your answer to three decimal places.)

2) In an attempt to study the leading causes of airline crashes, the following data were compiled from records of airline crashes (excluding sabotage and military action). Assume that you have just learned of an airliner crash and that the data give a generally good indication of the causes of airplane crashes. Give an estimate of the probability that the primary cause of the crash was due to flight crew or bad weather. (Round your answer to three decimal places.)

Primary Factor	Accidents
Flight crew	301
Airplane	41
Maintenance	11
Weather	30
Airport/air traffic control	20
Miscellaneous/other	20

Reference no: EM1315669

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