Suppose that you toss a fair quarter and a fair dime and the quarterlands with heads facing up. What is the probability that the dimelands with heads facing up?
a) 1∕2
b) 1∕4
c) 1∕3
d) 2∕3
e) 3∕4
Solution:
Since the two events are independent, this is the same as the probability that a single (fair) coin tosscomes up heads, 1∕2.
Diagnostic:
If you miss this question please review probability.