The expectation value is given by:
In this case we just have two options, each with probability 1/2, and the values of x are 2 and 9; then we have:
Therefore, the expectation is $6.5
Answer:
8. 64.23
10. 51.317
Step-by-step explanation:
tan^-1(29/14) = 64.23
cos^-1(25/40) = 51.317
She bought 30 tickets. Just do 7.50 divide 0.25.
Answer:
I need more information
Step-by-step explanation:
I think it is P because that is the intercecting point