A bag contains 7 red marbles, 5 white marbles, and 9 blue marbles. You draw 4...

A bag contains 7 red marbles, 5 white marbles, and 9 blue marbles. You draw 4 marbles out at random, without replacement. What is the probability that all the marbles are red?

The probability that all the marbles are red is .?

What is the probability that exactly two of the marbles are red?
The probability that exactly two of the marbles are red is .

What is the probability that none of the marbles are red?
The probability of picking no red marbles is

Expert Solution

orchestra answered 2 years ago

A bag contains 9 red marbles, 7 white marbles, and 8 blue marbles. You draw 4...

A bag contains 9 red marbles, 7 white marbles, and 8 blue marbles. You draw 4 marbles out at random, without replacement. Find the following probabilities and round to 4 decimal places. a. The probability that all the marbles are red is (0.0118) Incorrect b. The probability that none of the marbles are red is 0.9882) (Incorrect

bag contains 7 red marbles, 5 white marbles, and 8 blue marbles. You draw 5 marbles...

bag contains 7 red marbles, 5 white marbles, and 8 blue marbles. You draw 5 marbles out at random, without replacement. What is the probability that all the marbles are red? The probability that all the marbles are red is . What is the probability that exactly two of the marbles are red? What is the probability that none of the marbles are red?

An urn contains 5 blue marbles and 4 red marbles. You draw a certain number of...

An urn contains 5 blue marbles and 4 red marbles. You draw a certain number of marbles from the urn at random with replacement . . . (A) You win $243.00 if you draw more blue marbles than red marbles. Assuming that you want to win, which is better: drawing 20 marbles or 200 marbles? Explain your answer briefly. (B) You win $177.00 if the percentage of red marbles that you draw is less than 42%. Assuming that you want...

A box contains 5 red marbles, 9 blue marbles, and 11 green marbles. We draw two...

A box contains 5 red marbles, 9 blue marbles, and 11 green marbles. We draw two marbles randomly without replacement. Which ones are correct? The probability that the first one is red equals . The probability that the first one is red and the second one is blue equals Given that the first one is NOT blue, the probability that the second marble is blue equals The probability that neither is green equals

Suppose you have a bag containing 2 red marbles, 3 white marbles, and 4 blue marbles....

Suppose you have a bag containing 2 red marbles, 3 white marbles, and 4 blue marbles. a) if you draw 3 marbles simultaneously, what is the probability that you get one of each color? b) If you draw 3 marbles one at a time, what Is the probability that you get one of each color?

What is the probability of drawing, in order, 2 red, 1 blue, and 2 yellow marbles if a bag contains 4 yellow, 5 red, and 6 blue marbles?

You draw 40 times with replacement from a bag containing 7 red marbles and 3 blue...

You draw 40 times with replacement from a bag containing 7 red marbles and 3 blue marbles. A) What is the chance you will get exactly 8 blue marbles? Explain if you should use binomial formula or normal approximation. B) What is the chance that you get fewer than 20 blue marbles?Explain if you should use binomial formula or normal approximation.

Suppose you have a bag with 6 blue marbles and 4 red marbles. Calculate the following...

Suppose you have a bag with 6 blue marbles and 4 red marbles. Calculate the following probabilities: a) If you randomly remove half of the marbles from the bag, what is the probability that 3 of them are blue and 2 are red? b) Suppose that you sample with replacement from the bag: you take out a marble, record its color, then throw it back in. What is the probability that you need to repeat this process exactly 10 times...

Suppose we draw 3 marbles from a jar containing 7 red and 5 blue marbles. At...

Suppose we draw 3 marbles from a jar containing 7 red and 5 blue marbles. At each stage, a ball is drawn and its color noted. Then the marble is returned to the jar along with another two marbles of the same color. Given that the ﬁrst marble is red, what is the probability that the next two are blue?

A bag contains one red marble, two blue marbles and three green marbles. A marble is...

A bag contains one red marble, two blue marbles and three green marbles. A marble is selected at random. Define a random variable X such that X=1 if a red marble is selected, X=2 if a blue marble is selected and X=3 if a green marble is selected. Find the following probabilities. Hint: The blue marbles are different; you can label one blue-1 and the other blue-2. Similarly, each of the green marbles is different. 4a) Find P(X=1) 4b) Find...

Question