Question

25. A coach is training 15 girls. He wants to form 5 lines of 3 forwards each (left-wing,
center, and right-wing). Assume that the order of assigning these positions matters.
What is the probability that both Ann and May are in the same line?


26. What is the probability of receiving a 7 (3 letters, then 4 numbers) digit license plate
with a repeated letter/number?


27. What is the probability of having a license plate (3 letters, then 4 numbers) with either
all vowels OR consonances?​

Answer 1

25. A coach is training 15 girls. He wants to form 5 lines of 3 forwards each (left-wing,

center, and right-wing). Assume that the order of assigning these positions matters.

What is the probability that both Ann and May are in the same line?

26. What is the probability of receiving a 7 (3 letters, then 4 numbers) digit license plate

with a repeated letter/number?

27. What is the probability of having a license plate (3 letters, then 4 numbers) with either

all vowels OR consonances?