Answer:
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.
I think its b not sure
Slope = 1
#11 : 14 cars
#12 : 8+6+4=18
c