Robert tossed a fair coin 3 times. What is the probability that the coin landed heads up exactly twice? Choose the correct choice:
A) 0.125  B) 0.250  C) 0.375  D) 0.75  E) 0.875
Total number of outcomes = 2 * 2 * 2= 
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>
8   Out of 3 times we need heads exactly 2 times= 30.3752 = 3   Probability = 3/8= 
<gadget id="calculator">3/8</gadget>
<output>3/8 = around 0.375</output>
0.375   The answer is, therefore, (0.375).
<result>C</result>
Robert tossed a fair coin 3 times. What is the probability that the coin landed heads up exactly twice?