What the probability of getting 2 consecutive heads in a total of N tosses (I found this one pretty hard and I didn't figure out the right answer at the time.)
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Write the function that calculates price of the cup of coffee where price of the condiments depends on size of the coffee cup. For example milk cost 10 c for small cup 15 c for medium and 20 c for large
What is the angle between the minute and hour hand of a standard clock if the time is currently 3:15
How many years as a heavy equipment operator I had
play a game: throw two dices and guess the sum, do you want to pick a number first? which number? what's the probability of winning?
Basketball player A and B. Game 1 and 2. In both game, A has a higher shooting average than B. Is it possible that B has a higher overall shooting average. Give an example if possible.
A has 5 fair coins and B has 4 fair coins. A wins only if he flips more heads than B does. Probability of A winning?
what is the expected value of the absolute difference of the point of two 30 face dice
Russian Russel prob. A gun with six holes and two bullets neighboring. Shoot once not die, what's the probability for the next shoot?
suppose you live in middle town, your mom lives in downtown while your girl friend lives in uptown. You take subway to have dinner with either your mom or your girl friend every night. You always the first train that arrives at the station. why do you end up with have dinner with your girl friend 90% of the times? assume the uptown and downtown train run at the same intervals.
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