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A box contains a penny, two nickels, and a dime. If two coins are ... 13 Nov 2017 · A box contains a penny (1¢), two nickels (5¢), and a dime (10¢). If two coins are selected randomly from the box, without replacement, and if X X is the sum of the values of the two coins, What is the probability distribution table of X X?
Smallest number of coins to guarantee exact change? 4 May 2016 · penny, nickel, dime, quarter. I did some browsing and this was also on math overflow but the answers were confirmed using algorithms to check all possible answers, I was hoping to verify it using a more mathematical method.
How to divide currency? - Mathematics Stack Exchange Are we really making the right coins from a mathematical point of view? Is a penny,a nickel, a dime a quarter and 1,5,10,20,50 and 100 dollars bills the optimal configuration? Or is there a better
Combination on the different sum of money [duplicate] 4 Jan 2018 · How many different sums of money can be made from penny, a nickel (5 pennies), a dime (10 pennies) and a quarter (25 pennies)? I am having trouble sorting out the answer.
a probability problem on summation of random variables The number of coins that Josh spots when walking to work is a Poission random variable with mean 6 6. Each coin is equally likely to be a penny, a nickel (5 5 cent), a dime (10 10 cent) or a quarter (25 25 cent). Josh ignores the pennies but picks up the other coins. Find the probability that Josh picks up exactly 25 25 cents on this way ?
How to calculate the probability that the average of a multinomial ... If you're holding a penny, it's the probability that any single coin is greater in value than a penny. So, it's the probability of drawing a nickel, dime, or quarter.
discrete mathematics - How many different combinations of … How many different combinations of pennies, nickels, dimes, quarters, and half dollars can a piggy bank contain if it has 20 coins in it?
Formula to determine total coin combinations problem? Another popular variant of this question: Given some dollar value in cents (e.g. 200 = 2 dollars, 1000 = 10 dollars), find all the combinations of coins that make up the dollar value. There are only penny, nickel, dime, and quarter. (quarter = 25 cents, …
Combinations of a penny, nickel, dime, and quarter 19 Mar 2012 · You have one penny, one nickel, one dime, and one quarter. How many different amounts of money can you make using one or more of these coins? Please help me! I'm having trouble! I'm having trouble ...
combinatorics - Simple Combinations with Repetition Question ... Each possible selection is completely determined by the subset of {penny, nickel, dime, quarter, half-dollar} {penny, nickel, dime, quarter, half-dollar} that it contains. So you just need to count the number of subsets of a set of 5 elements, which is 25 = 32 2 5 = 32.