Probability: Selecting Without Replacement
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- (Video) Probability Without Replacement by Kevin Dorey Kevin Dorey has a great video explaining probability without replacement. Here is a similar problem to try on your own onc…
By Ben Ferrara, Alex Federspiel, Joshua Siktar, Amy Feraco
- Selection without Replacement Just like it sounds, in selection without replacement, you are picking something out of a bag (bucket, hat, any type of container, etc.) and, witho…
By Hannah Bonville, Alex Federspiel, Joshua Siktar
- Examples: Selecting Without Replacement Calculating the probability of certain events, we have to consider if we are selecting with or without replacement. Say we start with a c…
By Christine, Joshua Siktar
Problems 26
- A drawer has 555 pairs of socks. Three socks are chosen at random. If the probability that there is a pair among the three is mn\frac{m}{n}nm, where mmm and nnn are relatively …
- We have 333 white, 333 green and 444 red balls; what is the probability to pick (with closed eyes) three different colored balls (one at a time, without replacement)?
- I have a bag of jelly beans. This bag has 250250250 pear jelly beans in it and 100010001000 beans total. If I grab a non pear jelly bean and eat it, what is my probability of pu…
- Tristan ordered a large pizza with 888 slices that is half pepperoni and half cheese. If Tristan takes 222 slices at random, what is the probability that he will choose one pepp…
- What is the probability of grabbing two red M&m's from your bag of M&M's if there are 555 red, 666 blue, 111 green, and 444 yellow in the bag? Assume we don't replace the first …
- 1,0001,0001,000 people attending a baseball game were all entered in a lottery. You, your parents, and your two sisters all want to win. The first ticket is drawn, and you or yo…
- You are given a code for a videogame, but the last digit is scratched out so you can't read it. The digit can be any number (0−9)(0-9)(0−9) or any any letter (A−Z).(A-Z).(A−Z). …
- Two dice appear to be standard dice with their faces numbered from 111 to 666, but each die is weighted so that the probability of rolling the number kkk is directly proportiona…
- Find the probability of choosing a green marble from the bag after choosing a marble and then replacing it. Also find the probability of choosing a green marble from the bag abo…
- Consider a standard deck of 525252 cards. What is the probability of drawing two aces in a row, if you don't replace the first card you draw?
- Consider the bag of marbles above. What is the probability of drawing 222 red marbles in a row and then a blue marble?
- Emily is making a bracelet for her friend's birthday. What is the probability of her randomly choosing (in order from left to right) the beads to make the bracelet above?
- Eric is ordering a half dozen donuts. What is the probability that he chooses 333 chocolate glaze, 222 Boston creams, and then a jelly-filled donut (in this order)?
- Samantha is the 111111th one out of a class of 202020 to go and pick up a pencil from the box. Assuming the last 101010 students picked up a pencil with lead, what her probabili…
- What is the probability of drawing three yellow candies in a row (without replacement)?
- Probability without replacement is an example of a/an...______
- In probability without replacement, what is the sample size reduced by?
- What does the following formula represent?
- The probabilities above represent the odds of you getting a floor seat for a concert. By how much did the sample size decrease from Monday to Friday?
- The Scarabaeus Sacer, more commonly referred to as the scarab has a population of 55200\frac{55}{200}20055 in a certain city in Egypt. What is the probability that the next two…
- Richard has a standard deck of cards. What is the probability of him choosing a 10,10,10, a queen, and then an ace?
- Assuming all of the spades have been removed from a standard 525252-card deck, what is the probability of drawing 222 kings in a row?
- Consider the bag of marbles above. What is the probability of picking a warm colored marble (red, orange, or yellow) after having already picked a blue marble (and not replaced …
- What is the probability of drawing a marble that is not green and then another marble that is not orange? Assume we don't replace the first marble we drew.
- Erin received a shipment of 303030 glass ornaments just in time to decorate her tree. Of these 303030 ornaments, 444 are broken. Erin randomly pulls four ornaments out of the bo…
- Erin received a shipment of 303030 glass ornaments just in time to decorate her tree. Of these 303030 ornaments, 444 are broken. Erin randomly pulls four ornaments out of the bo…