Answer:
C
Step-by-step explanation:
They would be 3x more likely to choose football over tennis, since tennis is 13 and football is 39
39/3=13
Final answer is C
Answer:
He can type 4.5/5 of a paragraph
Step-by-step explanation: Because there are 60 seconds in a mintune right. 2/3 of an hour=40 seconds. 1.5/5=20 seconds and 60 seconds=4.5/5
Answer:
11.42 boxes
Step-by-step explanation:
For the first box bought, there is a 100% chance of getting a unique toy (since you still don't have any). E₁ = 1.
After that, there is a 4 in 5 chance of getting a unique toy from the next box, the expected number of boxes required is:

For the next unique toy, there is now a 3 in 5 chance of getting it:

Following that logic, there is a 2 in 5 chance of getting the 4th unique toy:

Finally, there is a 1 in 5 chance to get the last unique toy:

The expected number of boxes to obtain a full set is:

Answer:
yay u got your answer:))
but seriously what is your question?:))
Answer:
d
Step-by-step explanation: