Probability › Coins › Equal numbers of heads

Ten numbered coins sum at least 45

University · ●●●○○ 50 pts

You have 10 coins. Coin ii shows the number ii on one side (for i=1,…,10i = 1, \dots, 10) and 00 on the other side. You toss all the coins and add up the values that face up. Find the probability that the sum is greater than or equal to 4545. Give your answer as a decimal.

Sign in to save your progress.

counting subsetscomplementary counting