Brendalee and Mohammed go to a coffee shop during their lunch break and toss a coin to see who will pay.The probability that Brendalee will pay three days in a row is:
A) 0.2500
B) 0.5000
C) 0.1250
D) 0.0150
E) none of these.

Question

Quizplus · Accepted Answer

Since the probability of Brendalee paying each time is 0.5, the probability of her paying three days in a row is (0.5)^3 = 0.1250, which matches with option C.

Brendalee and Mohammed Go to a Coffee Shop During Their