2.In how many ways can 10 different books be arranged in a shelf ?
3.In how many ways can you select a group of 3 students from a class of 20 students ?
Group of answer choices
5.The probability of an event is never a ____________ number.
13.A fair coin is flipped twice. What is the probability of obtaining double TAIL ?
14.The probability of the conjunction of two events A and B is given by the formula :
16.A fair coin is tossed four times. What is the probability of getting at least one TAIL ?
17.If the probability of rain is 85 % , then the probability of no rain is :
19.A coin is flipped 60 times, and the results are: 24 heads and 36 tails.
Based on these results, calculate the empirical probability of HEAD.
20.A bag contains equal (except for color) marbles, with the following colors: 16 red, 31 blue, 9 white, and 14 black.
One marble is randomly selected from this bag. What is the probability that it will be black ?
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