You and a friend are playing a game by tossing two coins. If both coins land
on heads, you win. If the coins land on different sides, your friend wins. The
table shows the possible outcomes.
Coin 1
Coin 2
Heads
Heads
Heads
Tails
Tails
Tails
Tails
Heads
Is this a fair game?
O
A. Yes. You and your friend each have a
probability of winning.
O
B. Yes. You and your friend each have a
probability of winning.
O
c. No. You have a probability of winning, while your friend has a
probability of winning.

C

Step-by-step explanation:

Let the random variable X be the number of heads that come up when a fair coin is tossed 4 times. Then X∼B(4,12). We want there to be exactly two heads (forcing the other two tosses to be tails), so P(X=2)=(42)(12)2(12)2=38.

81 seats

step-by-step explanation:

if you multiply 0.65 times 125 then you get 81.5 seats. well since you can't have half of a seat you have to round down and get 81 seats in the no children zones. that leave 44 seats outside of the no children zone.

you never say the total so we cant find the percentage used for petrol

step-by-step explanation: