1.a) If the probability that event E will occur is 1/13, what is the probability that...

1.a) If the probability that event E will occur is 1/13, what is the probability that E will not occur?

b) If the first digit of a seven-digit phone number cannot be a 0 or a 1, what is the probability that a number chosen at random will have all seven digits the same?

c) How many ways can a 10-question multiple-choice test be answered if each question has 5 possible answers?

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orchestra answered 1 year ago

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