Basic Math question and answers for October 07, 2024
- Q A card is drawn at random from a standard deck of playing cards (no jokers). If it is black, the player wins 1 dollar; if it is not black, the...
- Q A card is drawn from a standard, well-shuffled deck of 52 cards. What is the probability that it is a face card (J, Q, or K)?
- Q In a class there are 14 students: 4 are 5' 6", 2 are 5'8", 2 are 5'10", 3 are 6', and 3 are 6' 2". A student is chosen at...
- Q You own 22 CDs. You want to randomly arrange 9 of them in a CD rack. What is the probability that the rack ends up in alphabetical order? The probability...
- Q In a lottery game, a player picks six numbers from 1 to 20. If the player matches all six numbers, they win 50,000 dollars. Otherwise, they lose $1.
- Q If you pull a card from a well shuffled deck, what is the probability that you get a club or a red card?Enter your answer as a fraction
- Q In a large population, 54 % of the people have been vaccinated. If 4 people are randomly selected,what is the probability that AT LEAST ONE of them has been vaccinated?Give...
- Q According to a study, 84% of K-12 schools or districts in a country use digital content such as ebooks, audio books, and digital textbooks. Of these 84%, 13 out of...
- Q A card is picked from a standard deck of 52 cards. Determine the odds against and the odds in favor of selecting a black face card (king, queen, or jack).The...
- Q Two thousand raffle tickets are sold for $2 each. Three prizes will be awarded, one for $1,000 and two for $500. Assume that the probability that any given ticket is...
- Q The owner of an antique store estimates that there is a 40% chance she will make $2400 when she sells an antique china cabinet, a 15% chance she will make...
- Q (a) List an example of two events that are independent.(b) List an example of two events that are dependent.(a) List an example of two events that are independent. Choose the...
- Q Suppose you reach into your mailbox that contains 8 pieces of junk mail, 4 letters, and 1 magazine. Assuming you can't feel the difference between the types of mail, what...
- Q Based on his past baseball history, Kurt has a(n) 16% chance of reaching first base safely, a(n) 8% chance of hitting a double, a(n) 5% chance of hitting a triple,...
- Q Suppose that 52% of students in a college have a smart phone. If you select three students at random, what is the probability that all three have a smart phone?
- Q Consider a collection of envelopes consisting of 1 red envelope, 2 blue envelopes, 2 green envelopes, and 3 yellow envelopes. If two envelopes are selected at random, with replacement, determine...
- Q Natasha buys a bag of cookies that contains 8 chocolate chip cookies, 9 peanut butter cookies, 5 sugar cookies and 9 oatmeal raisin cookies. What is the probability that Natasha...
- Q There is a 80% chance that a person eats dinner, a 70% chance a person eats dessert and a 40% chance the person will eat dinner and dessert. Which of...
- Q A bag of M&M's has 3 red, 6 green, 5 blue, and 2 yellow M&M's. What is the probability of randomlypicking:(give answer as a reduced fraction)1) a yellow?2) a blue...
- Q Of the last 60 people who went to the cash register at a department store, 14 had blond hair, 17 had black hair, 24 had brown hair, and 5 had...
- Q Two dice are rolled one after the other. Construct a sample space and determine the probability that the sum of the dots on the dice total 11 if the first...
- Q According to a study, 71% of K-12 schools or districts in a country use digital content such as ebooks, audio books, and digital textbooks. Of these 71%, 10 out of...
- Q An experimental drug was given to a sample of 95 hospital patients with an unknown sickness. Of the total, 74 patients reacted favorably, 8 reacted unfavorably, and 13 were unaffected...
- Q A new medicine was given to a sample of 100 hospital patients. Of the total, 73 patients reacted favorably, 12 reacted unfavorably, and 15 were unaffected by the drug Assume...
- Q By rewriting the formula for the multiplication rule, you can write a formula for findingconditional probabilities. The conditional probability of event B occurring, given that event A has occurred, is...
- Q The life expectancy (in years) of a certain brand of clock radio is a continuous random variable with the probability density function below.F(X)= {2/(x + 2)1x200, otherwise(A) Find the probability...
- Q A single fair die is rolled twice.a) Determine the number of points in the sample space.b) Construct a tree diagram and determine the sample space.c) Determine the probability that a...
- Q A box contains three cards. On one card there is an apple (A), on another card there is a sun (8), and on the third card there is a pear...
- Q A large bag of marbles contains equal amounts of each of 10 colors. Milo selects 1 marble, looks at it, puts it back, and then selects another. Find the probability...
- Q The Triple L investment club is considering purchasing a certain stock. After considerable research, the club members determine that there is a 50% chance of making $13,000, a 10% chance...
- Q At a homeowners' association meeting, a board member can vote yes, vote no, or abstain on a motion. There are three motions on which each board member must vote. Complete...
- Q The odds in favor of Frank McKinnis winning a hot dog eating contest are 2 : 9.a. Determine the probability that Frank will win the contest.b. Determine the probability that...
- Q If the odds in favor of Chris winning the election are 9:4, then what is the probability thata) Chris wins.b) Chris does not win.What is the probability that Chris will...
- Q Don is considering bringing a lawsuit against the Dummote Company. His lawyer estimates that there is a 60% chance Don will make $60,000, a 30% chance Don will break even,...
- Q A bag contains eight batteries, all of which are the same size and are equally likely to be selected. Each battery is a different brand. If you select two batteries...
- Q Assume than men's weights are normally distributed with a mean given by ? = 155 pounds and ad mont standard deviation given by o = 4.4 pounds.If one man is...
- Q The graph to the right is the uniform probability density function for a friend who is x minutes late.(a) Find the probability that the friend is between 10 and 20...
- Q A chemistry lab requires students to identify chemical compounds by using various tests. Each student is given samples of three different compounds, labeled A, B, and C. Each student is...
- Q A shipment of seven smartphones contains two with cracked screens. If sold in a random order, what is the probability that the first five sold have undamaged screens?
- Q If you toss a coin, what is the probability of it landing tails up?
- Q There are 16 marbles in a bag; 12 of the marbles are blue and 4 are yellow. What is the probability of picking a blue marble and then a yellow...
- Q Mandy flipped a coin 50 times. Thecoin landed on tails 20 times. Whatwas the experimental probability forlanding on tails?A 3/5B 2/5C 4/5
- Q There are 20 chocolate candies in a bag. What is the probability of reaching in the bag and pulling out a strawberry?A. 1, since all of the candies are chocolate,...
- Q What's the probability of rolling the die twice and having it land on 5 both times? 1/361/61/3
- Q Given the following information:P(A) = 0.37P(B) = 0.19P(A and B) = 0.1P(B given A) = 0.27What is the probability of A or B? Round your answer to the nearest hundredth...
- Q What is the probability of rolling a dice and getting a 7? A. 1/6 B. 1/7 C. 0, it is impossible to roll a 7 on a dice because the...
- Q There are 6 red socks and 8 black socks in a drawer. Without looking, you pick out 2 socks to wear. What is the probability of picking red, black? A....
- Q A spinner has the colors red, blue, and green on it. Maria spins it 30 times, and it lands on red 12 times. What is the experimental probability of spinning...
- Q Tami rolled a die 20 times. 14 times it landed on an even number; 6 times it landed on an odd number. What is her experimental probability of it landing...
- Q There are 12 marbles in a box. 8 are purple, and 4 are green. What is the probability of picking a purple marble and then another purple marble, without replacing...
- Q What is the probability of rolling a die, having it land on 7, and then flipping a coin and having it land on heads? A. 1/12B. 1/2C. 0
- Q Theoretical probability helps us know how likely an event is to occur. Which of the following probabilities would tell us that the event is VERY LIKELY to occur? A. A...
- Q Suppose a jar contains 17 red marbles and 33 blue marbles. If you reach in the jar and pull out 2 marbles at random without replacement, find the probability that...
- Q Determine the number of outcomes in the event. Decide whether the event is a simple event or not.You randomly select one card from a standard deck of 52 playing cards....
- Q A bag contains three red peppers and four green peppers. You take a pepper from the bag and eat it. You then take another pepper and eat it.a. Calculate the...
- Q A math class consists of 35 students, 20 female and 15 male. Three students are selected at random, one at a time, to participate in a probability experiment (selected in...
- Q Elizabeth brought a box of donuts to share. There are two-dozen (24) donuts in the box, all identical in size, shape, and color. Two are jelly-filled, 4 are lemon-filled, and...
- Q Julian owns a small business selling ice-cream. He knows that in the last week 52customers paid cash, 22 customers used a debit card, and 5 customers used a creditcard.Based on...
- Q Colton has a bag that contains orange chews, lemon chews, and peach chews. He performs an experiment. Colton randomly removes a chew from the bag, records the result, and returns...
- Q Ruby has a bag that contains orange chews, cherry chews, and lime chews. Sheperforms an experiment. Ruby randomly removes a chew from the bag, records theresult, and returns the chew...
- Q A bag contains six balls labeled 1 through 6. One ball will be randomly picked. What is the probability of picking a multiple of 3? Write your answer as a...
- Q A basket is filled with 2 white eggs and 14 brown eggs. Half of the brown eggs are cracked. An egg is randomly selected from the basket. What is the...
- Q Wyatt has a bag that contains pineapple chews, cherry chews, and lime chews. He performs an experiment. Wyatt randomly removes a chew from the bag, records the result, and returns...
- Q In a popular online role playing game, players can create detailed designs for their character's "costumes," or appearance. Latanya sets up a website where players can buy and sell these...
- Q A box is filled with 5 red crayons, 9 blue crayons, and 6 yellow crayons. A crayon is chosen at random from the box. Find the probability that it is...
- Q A bag contains eleven balls labeled 1 through 11. One ball will be randomly picked.What is the probability of picking an even number?Write your answer as a fraction in simplest...
- Q Juan is going to watch a movie in his collection. He has 7 action movies, 12 comedies, and 2 dramas. He will randomly select one movie. What is the probability...
- Q A circular spinner is divided into 4 regions and the regions are colored blue, red, yellow, and green. Each region occupies a fourth of the circle.Suppose you decide to play...
- Q The length of human pregnancies from conception to birth varies according to a distribution that is approximately normal with mean 264 days and standard deviation 16 days.Round all answers to...
- Q At snack time, there were seven bags of raisins, nine bags of pretzels, and five bags of sunflower seeds. Find the probability of each situation below.Write you answer as a...
- Q You roll a six-sided die and select a card from a standard deck of cards. Find the probability that you roll a number less than five on the die and...
- Q A box contains 36 orange golf balls, 28 white golf balls, and 92 yellow golf balls. If a golf ball is drawn at random from the box, find the probability...
- Q A bag contains 18 red chips, 16 blue chips, and 14 yellow chips. A chip is selected, replaced, then another chip is chosen. Find each probability.(independent events)(Write your answers as...
- Q Find the probability that when a couple has 2 children, they will have exactly 1 boy. Assume that boys and girls are equally likely and that the gender of any...
- Q A box has twelve balls in it, seven white and five red. We select one ball, do not put it back inthe box, and select a second ball, etc. We...
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