A box contains two coins. One coin is heads on both sides and the other is heads on one side and tails on the other. One coin is selected from the box at random and the face of one side is observed. If the face is heads what is the probability that the other side is heads?

Keep practicing — related questions

• You are given three coins: one has heads on both faces, the second has tails on both faces, and the third h...
• You are given three coins: one has heads on both faces, the second has tails on both faces, and the third h...
• If two fair coins are flipped and at least one of the outcomes is known to be a head, what is the probabili...
• How many of the following numbers are divisible by 132 ?264, 396, 462, 792, 968, 2178, 5184, 6336
• How many of the following numbers are divisible by 132 ?264, 396, 462, 792, 968, 2178, 5184, 6336
• An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when th...
• It was Sunday on Jan 1, 2006. What was the day of the week Jan 1, 2010?
• Other things held constant, the value of an option depends on the stock's price, the risk-free rate, and the