A math class has 3 girls and 9 boys in the seventh grade and 5 girls and 3 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both girls? Write your answer as a fraction in simplest form. olo

Q: Mrs. Donovan is the coach of a middle school golf team that has 10 golfers. There are 2 sixth…

A: Total golfers= 10 eighth graders= 6 Probability of selecting eighth graders= 6/10

Q: A deck of cards contains 10 orange cards and 3 purple cards. What is the probability that a card…

A: Given,no.of orange cards=10no.of purple cards =3total no.of cards=13

Q: Anya rolls an octahedron labelled A,A,A,B,C,C,C.C. What is the probability the octahedron will land…

A:

Q: A science class has six girls and two boys in the seventh grade and one girl and 7 boys in the…

A:

Q: In an experiment, the probability that event A occurs is and the probability 7 that event B occurs…

A:

Q: A number cube is rolled and a coin is tossed. The number cube and the coin are fair. What is the…

A: if a number cub is rolled and a coin is tossed than the possible outcomes…

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A:

Q: Kira is shopping for a new bicycle. She is most interested in color and type of tires. Red Green…

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Q: You own 19 CDs that are stored in a box. You have decided to display 5 of them on a shelf. One at a…

A: We have total of 19 CDs and we randomly select 5 CDs and arrange them on a shelf. We can arrange the…

Q: In an experiment, the probability that 2 É and the probability 5 event A occurs is 7 that event B…

A:

Q: Delilah is selecting balls from a ball pit. There are 27 red balls, 30 blue balls, 17 green balls,…

A: Given,  number of red balls n(R)  =27 number of blue  balls n(B)  =30 number of green  balls n(G)…

Q: A science class has 3 girls and 9 boys in the seventh grade and 5 girls and 3 boys in the eighth…

A:

Q: n a drawer, there are 15 pairs of socks, 5 of which are white. If you randomly select two pairs of…

A: Given data, No of pairs of socks =15 No of white pairs =5 If you randomly select two pairs of socks,…

Q: A bag contalns 10 marbles: 4 are green, 4 are red, and 2 are blue. Trey chooses a marble at random,…

A: Given a bag contains 10 marbles, 4 are green, 4 are red and 2 are blue. two marbles are chosen…

Q: An organization will give a prize to a local artist. The artist will be randomly chosen from among…

A:

Q: bag contains 10 marbles: 2 are green, 4 are red, and 4 are blue. Jim chooses a marble at random, and…

A: Probability without replacement

Q: Chef Harrell baked her famous casseroles for a company holiday party. The casseroles had different…

A: From the provided information,   Spinach Cheese Total Rectangle 4 4 8 Circle…

Q: In an experiment, the probability that event A occurs is - and the probability that event B 9.…

A: Independent events:   Let A , B be any two events and they are said to be independent

Q: Find the probability of getting  7  face cards (king, queen,

A: There are 52 cards in a deck out of which 12 are face cards. These face cards are Jack, Queen and…

Q: Dante is going to watch a movie in his collection. He has 3 action movies, 11 comedies, and 9…

A: Given:  Action movie = 3   Comedian = 11  Dramas = 9

Q: Some sanitation workers sifted through some recycling and trash to see whether people had correctly…

A:

Q: You spin the spinner twice. 8 7 4 5 What is the probability of landing on a prime number and then…

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Q: For a few weeks, a music producer kept track of newly released songs on a music streaming website.…

A: The contingency table is given as,   0-500 plays 501-1000 plays Row Total Country 6…

Q: You pick a card at random. Without putting the first card back, you pick a second card at random.…

A:

Q: You pick a card at random. Without putting the first card back, you pick a second card at random.…

A:

Q: A box contains 3 plain pencils and 1 pen. A second box contains 9 color pencils and 3 crayons.…

A: Given A box contains 3 plain pencils and 1 pen. A second box contains 9 color pencils and 3 crayons.

Q: A balloon artist counted the number of balloon animal requests she received at a party. The balloon…

A: Given data is   Giraffe Dog Total Purple 4 7 11 Green 6 3 9 Total 10 10 20

Q: Some sanitation workers sifted through some recycling and trash to see whether people had correctly…

A:

Q: Mrs. Donovan is the coach of a middle school golf team that has 10 golfers. There are 2 sixth…

A: Given Information: To find out the probability that both captains will be eighth grade.

Q: A box is filled with 6 yellow cards, 4 blue cards, and 2 green cards. A card is chosen at random…

A: solving the Problem by using addition theorem of probability

Q: What is the probability that the students she selects are both girls? Write your answer as a…

A: A science class has 4 girls and 1 boy in the seventh grade and 5 girls and 5 boys in the eighth…

Q: the box indicates that there are 5 caramels, 7 pralines, 2 chocolate-covered coconut, and 4…

A:

Q: b) If you purchased one Lotto 6/49 ticket what is the probability that you would win the main prize…

A: Number of 6/49 purchased ticket is 20.

Q: Find the probability of getting 3 face cards (king, queen, or jack) when 3 cards are drawn from a…

A: Given that in standard deck 3 face cards are drawn without replacement. Total number of cards in a…

Q: A pet store has 10 puppies, including 4 poodles, 2 terriers, and 4 retrievers. If Rebecka selects…

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Q: Chorus Band 10 20 7. 8 16 Orchestra U 4. 5

A: We can easily find probabity by using values given in the Venn diagram

Q: You are going to draw 5 cards (without replacement) from a standard deck of 52 playing cards.…

A: There are total 52 cards.  We can pick the jack of clubs first in only 1 way.  the probability of…

Q: Determine the probability of being dealt 3 fives from a standard deck of 52 cards when 3 cards are…

A: There are four fives in a deck of 52 cards. So, the probability of getting 3 fives is: P=No. of…

Q: In an experiment, the probability that event A occurs is and the probability that event B 7 occurs…

A:

Q: Hannah is a pediatrics nurse who conducts the first neonatal exam on newborn patients. She makes…

A: From the provided information,   Slow heart rate (<100 bpm) Fast heart rate (> 100…

Q: A box contains 2 plain pencils and 6 pens. A second box contains 7 color pencils and 5 crayons.…

A: Let Event A- First box selected, Event B- Second box is selected Event P- Plain pencil is selected,…

Q: For a few weeks, a music producer kept track of newly released songs on a music streaming website.…

A:

Q: Suppose you draw a card from a well-shuffled deck of 52 cards. What is the probability of drawing a…

A: The word probability comes from the word probable, meaning 'likely but uncertain'. Thus the…

Q: A bag contains 9 marbles: 2 are green 5 are red and 3 are blue. Chris chooses a marble at random and…

A: From the provided information, A bag contains 2 are green, 5 are red and 3 are blue. Total marbles =…

Q: You pick a card at random, put it back, and then pick another card at random. 56 78 What is the…

A:

Q: David is a pediatrics nurse who conducts the first neonatal exam on newborn patients. He makes note…

A:

Q: A bowl of raffle tickets contains the numbers 1 through 70. What is the probability that a randomly…

A: Here, it is given that a bowl of raffle tickets contains the numbers 1 through 70.  Total number of…

Q: A bag contains 9 marbles: 2 are green 5 are red and 2 are blue. Bob chooses a marble at random and…

A:

Q: Mrs. Donovan is the coach of a middle school golf team that has 10 golfers. There are 2 sixth…

A: P[8th grader chosen for 1st team]= 210 P[8th grader chosen for 2nd team] = 49

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.