Question

a

Answer 1

So for the first person, Does the day of the year matter?

Answer 2

or does it only matter for the other two

Answer 3

no, that's actually me answering haha

Answer 4

I like you to think through the problem

Answer 5

so, for the first person. Assuming it is not a leap year, what is the probability that they were born on a day of the year?

Answer 6

not quite

Answer 7

The first probability is what is wrong,

Answer 8

the method is correct

Answer 9

yup np, do you understand why it's \(\frac{1}{1}\)?

Answer 10

good!

Answer 11

Well done

Answer 12

(1/365)^3 actually the probability of three people having a same PARTICULAR birthday. E.g March 19. But since it could be any day of 365 days, what you should have done is 365 * (1/365)^3, and this will give you the right answer