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# Probability Answers

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Marble produced at a certain factory has a 20% chance of being blue. A box contains 10 marbles.   (a)Find the probability that exactly 2 balls out of the 10 balls in the box are blue...

If 1 billion songs exists in the world, and 2 people (boy and girl... mid 20's) select there top 50 songs of the 1 billion songs that are possible, what is the probability that 5 of...

This is a Finite Mathematics PROBABILITY PROBLEM.

P and E visits a hotel for a three-course meal.on the menu there are 4 starters,5main course and 3sweets.P and E each order astarter, amain course and asweet.[i]calculate the number of ways in which...

A geologist splits rocks to look for fossils.on average 10% of the rocks selected from aparticular area do infact contain fossils. The geologist selects a random sample of 20 rocks from this area,...

There is a 20 percent chance of rain today and a 80 percent chance of rain tomorrow. If the two events are independent, what is the probability that it will rain today or tomorrow?

A game has 50 chips, each labeled with a number from 1 through 50. Carla randomly chooses one chip. What is the probability that she chooses 15 or a multiple of 10? A....

If two dice are rolled together at a time and their sum is 4.what is the probability that both the numbers got on the dice are even?

Let a fair die be rolled 2 times. Letâ€™s assume that the 2 rolls are independent. Let X and Y be the outcomes of the first and second rolls, respectively.   a. What is the probability...

10 red marbles and 10 blue marbles are placed into a bag. Alex mixes up the bag and randomly selects a marble. He continues to do so, replacing the marble after each selection, until a red marble...

how do i figure out my sample space and my answer from there?

The table shows the results of spinning a spinner several times. Outcome A B C D E Frequency 2 4 3 1 2 What is the experimental probability of spinning a C or...

Then Question 2 Says Draw a tree diagram for the Die and the Lollipop. Then Draw a Tree Diagram for tossing 2 Coins (Or Tossing a coin twice) Then write the sample space.

Ok, I was watching TV and saw hold'em poker playing. In that game three cards are flipped over in the center of the table. If one was to give the cards valuations (Ace=1, 2=2,....and so forth Jack,...

The mail consists of 3 bills, 2 advertisements, and 1 letter what is the probability that an advertisement is opened first

If everyone in your class writes down her favorite two-digit number, what is the probability that two people will have written down the same number? Note: assume that there are 4 students in your...

What is the answer to this question?

If you have a \$1 bill, a \$5 bill, \$10 bill, and a \$20 bill, how many different sums of money can you make using one or more of these bills?

two fair dice are rolled the sum of the dice is 5

Ron finds 9 books at a bookstore that he would like to buy, but he can afford only 5 of them. In how many ways can he make his selection? How many ways can he make his selection if he decides that...