Probability Marbles Questions

What is the probability that a blue marble gets picked.

Probability marbles questions. For example a marble may be taken from a bag with 20 marbles and then a second marble is taken without replacing the first marble. In what follows s is the sample space of the experiment in question and e is the event of interest. 5 there are 5 marbles in total. Number of ways it can happen.

This math education video demonstrates how to calculate the probability of removing colored marbles from a bag. Total number of outcomes. Did you see how we multiplied the chances. The chances of drawing 2 blue marbles is 1 10.

What is probability without replacement or dependent probability. So they say the probability i ll just say p for probability. N s is the number of elements in the sample space s and n e is the number of elements in the event e. If i pull a marble out of the bag what are the.

So the probability 4 5 0 8. Tutorial on finding the probability of an event. Problems demonstrate non conditional and cond. It is a 2 5 chance followed by a 1 4 chance.

For each question the bag of marbles is reset to 2 blue and 3 red 5 marbles in all question 1. Change the number of marbles of different colors in the boxes and guess the probability of drawing a red blue or yellow marble. Once you have decided on your answers click the answers checkboxes to see if you are right. Find the probability of pulling a yellow marble from a bag with 3 yellow 2 red 2 green and 1 blue i m assuming marbles.

Probability examples a jar contains 30 red marbles 12 yellow marbles 8 green marbles and 5 blue marbles what is the probability that you draw and replace marbles 3 times and you get no red marbles. Now we can answer questions like what are the chances of drawing 2 blue marbles answer. Probability questions with solutions. The probability of picking a yellow marble.

And got 1 10 as a result. And so this is sometimes the event in question right over here is picking the yellow marble. 4 there are 4 blues. These questions are independent of each other.

This activity shows the classic marble example of elementary probability. 4 are blue and 1 is red.