Aquiz consists of six multiple choice questions, each question has three possible answer choice questions. how many different answers keys can be made

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Write 17/20 as a decimal and as a percent.

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable