Theoretical Probability Of Drawing Marbles

A bag contains 5 marbles that are each a different color.

Theoretical probability of drawing marbles.

A bag contains 10 red marbles 8 blue marbles and 2 yellow marbles. So you could say well theoretically there is a 1 2 probability i just did the math. And so this is sometimes the event in question right over here is picking the yellow marble. Now we can answer questions like what are the chances of drawing 2 blue marbles answer.

So 50 out of 100 when this is the same thing as a 1 2 probability. The table shows the results. A 25 b 20 c 62 5 d 41 7 25 points. 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.

In some experiments the sample space may change for the different events. What is probability without replacement or dependent probability. The chances of drawing 2 blue marbles is 1 10. And 50 of them involve picking a magenta.

We can also find the theoretical probability of an event. What is the theoretical probability of landing on a 7. And got 1 10 as a result. For which marble is the experimental probability of drawing the marble the same as the theoretical probability.

A marble is drawn its color is recorded and then the marble is placed back in the bag. Well theoretically there s 100 equally likely possibilities there s 100 marbles in the bag. Pleasee help anyone given the bag of marbles above find the probability of first drawing a green marble and then drawing a blue marble without replacing the first marble. The possible outcomes of rolling a number cube are landing on a 1 landing on a 2 landing on a 3 landing on a 4 landing on a 5 or landing on a 6.

Find the theoretical probability of getting a blue marble. What is the theoretical probability of randomly drawing a red marble. 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. The sample space for the second event is then 19 marbles instead of 20 marbles.

The probability of picking a yellow marble. Did you see how we multiplied the chances. There are 8 blue marbles. There are 5 red marbles 8 blue marbles and 12 green marbles in a bag.

It is a 2 5 chance followed by a 1 4 chance. Therefore the number of favorable outcomes 8.