Suppose that people are equally likely to have been born on any of the 7 days of the week. You meet two new friends independently, and ask each of them on what day of the week they were born. (Enter your answers as fractions.) (a) What is the probability that the first friend was born on a Friday? 1/7 (b) What is the probability that both friends were born on a Friday?   (c) What is the probability that both friends were born on the same day of the week?

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Suppose that people are equally likely to have been born on any of the 7 days of the week. You meet two new friends independently, and ask each of them on what day of the week they were born. (Enter your answers as fractions.)
(a)
What is the probability that the first friend was born on a Friday?
1/7
(b)
What is the probability that both friends were born on a Friday?
 
(c)
What is the probability that both friends were born on the same day of the week?
 
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