Question

Which expression represents the probability of rolling a 5 exactly three times in ten rolls of a number cube with six sides?

Answer 1

Answer:

Step-by-step explanation:

I'm not sure what the options are, but this is what I got:

P(X=3)=(10/3)(1/6)^3(5/6)^7

Answer 2

Answer:

answer is c

Step-by-step explanation: