There are 20 envelopes on a table and you get to pick one at random. In one of the envelopes there is a hundred-dollar bill and in the other 19 there are blank pieces of paper what is the expected value for picking an envelope

Q: There are 5000 people in a village. 2000 were diagnosed sick. I am wrong 20% of the time. If you are…

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Q: A couple has 4 children. Write out the sample space of genders fort heir children, inorder of birth.…

A: It was stated that a couple has 4 children. The possible gender for each child is either male or…

Q: What are the chances of the teams making the finals?

A: Given that,Chances  of different teams making into the playoffs:1) probability of bears = 0.75 2)…

Q: There are 40 chocolates in a box, all identical shapes. There 16 are filled with nuts, 14 with…

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Q: A person gets to draw one card at random from a jar with four cards for a cash price . The card…

A: Given No. of randomly selected draw card=1 Total cards in jar=4 Card values =1, 2, 4, and 5

Q: A bag contains 9 metal balls, 10 hollow balls, 4 glass balls and 18 plastic balls. What is the…

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Q: An urn has 5 red balls, 5 blue balls, 4 green balls, and 3 yellow balls. What is probability of…

A: It is given that Number of red balls = 5 Number of blue balls = 5 Number of green balls = 4 Number…

Q: You order 13 pizzas, five that are cheese and eight that are mushroom. They arenot labelled on their…

A: There are total 13 boxes.  We can pick any 5 boxes from those 13 boxes in 13C5 ways.    If we want…

Q: A middle school has 250 students. Jenny surveys a random sample of 50 students and finds that 15 of…

A: Total number of students in school = 250 Sample taken of 50 students Number of students having maths…

Q: 7 total students and 20 total faculty to pick from. You want to have 10 total people on the…

A: Given data: Total number of students = 7 Total number of faculty = 20 Number of people to be…

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: At a local book store there are 3 comic books, 3 romance novels, 9 children's books, and 2…

A: we have a total of 17 items in the local bookstore - 3 comic books, 3 romance novels, 9 children's…

Q: open up a bag of M&M's to discover 48 pieces of chocolate. 11 of the pieces are blue. If I…

A: Total chocolate are 48 11 pieces are blue

Q: A bottle contains 18 tablets of 6 aspirin, 4 tylenol and 8 advil. 6 tablets are randomly selected…

A: We have found that a bottle contains 18 tablets of 6 aspirin, 4 Tylenol, and 8 Advil.We selected 6…

Q: Find the probability of pulling a king in a deck of cards (poker cards)?

A: Obtain the probability of pulling a king in a deck of cards. The probability of pulling a king in a…

Q: In deandres cooler there are 5 bottles of soda and 4 bottles of water. Deandre is going to choose 5…

A: Probability is equal to the number of favorable outcomes divided by the total number of possible…

Q: Billy selects some cards from a standard 52 card deck.  What is the probability that he selects 1…

A: Given data: The total numbers of cards in the playing deck are n=52. The numbers of hearts are h=13.…

Q: If two players play this game

A: Fair means The coin has to get a chance heads or tails is 50-50%. unfair coins having more chances…

Q: Find the probability of drawing a black king and black queen from well shuffled deck of 52 cards.

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Q: There is a jar of coins sitting on the table in the center of the room. The jar contains 9 pennies,…

A: given data   jar contains : 9 - pennies    1 cent 12 - nickles  - 5 cent 10 - dimes  - 10 cent 5 -…

Q: Jordan went to shelter to adopt a dog. There were 10 brown dogs and 10 black dogs. Jordan picked a…

A: given data  10 brown dogs 10 black dogs _________________ 20 total dogs

Q: A box contains 3 black spheres and 4 white spheres. Given that you have already selected 1 black…

A: Given :- A box contains 3 black spheres and 4 white spheres.  Now Given that we have already…

Q: There are 36 women and 34 men at Mr. Stover’s family reunion. They are drawing names to determine…

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Q: In the US Congress, the Senate consists of 13 women and 87 men. The President randomly selects…

A: it is given that In the US Congress, the Senate consists of 13 women and 87 men. The President…

Q: Kambi has a bag that contains 5 black balls, 3 red balls and 2 blue balls. If he picks 2 balls at…

A: According to the question.  We have 5 black balls , 3 red balls and 2 blue balls. We have to find…

Q: Samir has a big bag of wooden blocks in assorted shapes. He randomly picks a block from the bag,…

A: In this case, the total number of trials is the total number of times Samir picked a block from the…