Question

Assume that the coin is weighted so that Pr[H]=2/13, and that it is flipped 9 times. The random variable X is defined as the number of heads in the 9 flips.
What is E[X]?

Answer 1

@satellite73

Answer 2

i am going to assume that it is \[P(H)=\frac{2}{13}\]

Answer 3

multiply
that is all

Answer 4

my bad you are right

Answer 5

@satellite73 9*(2/13)?

Answer 6

yes

Answer 7

dude i must be over thinking this

Answer 8

thank you :D