(Answered) 1 what is the probability of exactly 2 people in a group of

Statistics

1) What is the probability of exactly 2 people in a group of 10 to have the same birthday?

Please answer in the form of a probability to the thousandths place (i.e. use decimal places).

2) 4 fair coins are tossed in the air at once. What is the probability of obtaining 3 heads and 1 tails?

3) If there are 163 balls in a bag labeled from 1 - 163, and you choose one, what is the probability it it will be an odd number or greater than 90?

Please answer in the form of a percentage to 1 decimal place (no % symbol).

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