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(Q 1) (10 points) (a) A family has two kids. List the sample space for all possible cases for genders of these two kids. (use

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(Q 1) (10 points) (a) A family has two kids. List the sample space for all possible cases for genders of these two kids. (use G for Girl and B for Boy). ANS. S = (b) What is the probability for having at least one Girl. ANS. (Q 2) (10 points) Suppose that in our class, 98% of students have been vaccinated. Select randomly four students from our class (assuming independence) and find the probability that: (a) All of them are vaccinated. ANS. (b) None of them are vaccinated. ANS

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