Basic Math question and answers for September 29, 2024
- Q There are ten kittens, each a different breed, available for adoption at an animal shelter. Assume theprobabilities of kittens being adopted are equal. What is the probability that the first...
- Q Your family goes to the beach every year for your birthday when weather permits. Your birthday is July 10. If the probability of rain on July 10 is 0.35, what...
- Q The tickets in a box are numbered from 1 to 20 inclusive. If a ticket is drawn at random and replaced, and then a second ticket is drawn at random,...
- Q A spinner has five equal parts each painted with red, blue, orange, yellow, and green, respectively. Shelly spins the spinner twice. What is the probability of getting red on both...
- Q In a group of 100 persons, 85 had Rh positive blood (Rh factor present, Rh+), 45 had Type O blood, and 38 had both Type O and Rh positive blood....
- Q A golf ball is selected at random from a golf bag. If the golf bag contains 8 brown balls, 6 orange balls, and 4 green balls, find the probability of...
- Q A researcher wants to find out which dandruff shampoo works better. He takes 100 volunteers and randomly gives half of them brand A and the other half brand B. 17%...
- Q Every morning an office manager provides a box of twelve jelly doughnuts for the staff. Each doughnut has a different flavored filling. Every day you randomly pick two doughnuts and...
- Q From 6 cards bearing the letters a, b, c, d, e, and f, two cards are drawn. Find the probability that at least one of the cards drawn bears a...
- Q Examine the life table on the previous page, and look at the age range of 85-86. Out of 100,000 randomly selected people, 38,565 survive to age 85, and the probability...
- Q The probability that a randomly chosen American adult gets less than an average of 7 hours of sleep a night is 0.352. The probability that a randomly chosen American adult...
- Q The average repair cost of a microwave oven is $55, with a standard deviation of $8. The costs are normally distributed. If 12 (sample) ovens are repaired, find the probability...
- Q A bag of marbles has four red, six green, and five blue marbles. A person grabs three marbles from the bag. Find the probability that exactly two blue marbles are...
- Q Tasha is in the science club. There are 21 students in the club. Two of them will be picked at random to attend an awards banquet. What is the probability...
- Q A coin is flipped twice and a number cube is rolled once. What is the probability of observing heads, then tails, and rolling an even number? Assume that each option...
- Q Find the number of possible outcomes in the samplespace.A pizza stand offers both hand-tossed andpan pizza. Each pizza can either be awhite pizza with no sauce or a red pizzawith...
- Q tis estimated that there are 32 deaths for every 10 million people who use airplanes. A company that sells fight insurance provides $100,000 in case of death in a plane...
- Q According to a poll about phone use, 25% of all U.S. households are "wireless only," meaning they do not have a land line. In a random sample of 15 households,...
- Q A statistics teacher organizes a drawing each semester. During this raffle, she writes the names of each of her 100 students on slips of paper, each with an equal chance...
- Q For a certain candy, 20% of the pieces are yellow, 5% are red, 15% are blue, 5% are green, and the rest are brown.a) If you pick a piece at...
- Q In a certain group of 55 students, 18 are taking choir, 24 are taking band, and 7 are taking both. What is the probability that a randomly chosen student is...
- Q You are earning a salary of $40,000 a year and your position is steady. However, you have an opportunity to start your own business. You have done the research and...
- Q The probability that a 30-year-old female will live to age 31 is 0.98. If a $500,000 one-year term life insurance policy costs $4,000 a year, what is the expected value?$6,080$5,000-$200-$4,000
- Q You play soccer and love to be in the position of a goalkeeper, but that is dependent upon who is coaching that day. With coach Sam, the probability of being...
- Q An examination of cell phone use by 2,500 high school students reported that 51 students had no social media apps on their phones; 147 had one social media app on...
- Q About 9% of the population is hopelessly romantic. If 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?0.17190.99190.91000.0081
- Q When studying radioactive material, a nuclear engineer found that over 365 days, 1,000,000 radioactive atoms decayed to 979,366 radioactive atoms, so 20,634 atoms decayed during 365 days.a. Find the mean...
- Q An elementary school art class teacher plans to display artwork next to the door of each of the classrooms in the school. Each classroom door will only have one piece...
- Q The Math Department at CCC has 3 full-time professors who are male, and 5 full-time professors who are female.What is the probability that a randomly selected full-time Math professor is...
- Q The Gallup organization found that 28% of Americans own a cat as a pet. Round all probabilities to fourdecimal places.a) Find the probability that 6 Americans own a cat as...
- Q A bag of numbered lottery balls contains the numbers 1 through 40. What is the probability that a randomly selected ball will be a number that is not a multiple...
- Q The probability that a randomly selected Math 164 student will transfer is 0.6. Assume that students are independent. a) The probability that 3 randomly selected Math 164 students will all...
- Q 25. Andy has a collection of movie DVDs. In Andy's collection,35of the DVDs are "Action," and14 of the DVDs are "Comedy."4Andy said that 9 of his collection is "Action" or...
- Q A math class contains 5 females (three of whomspeak French and the rest speak only English), and 8males (two of whom speak French and the rest speakonly English).a) A student...
- Q A naturalist leads whale watch trips every morning in March. The number of whales seen has a Poisson distribution with a mean of 1.9. Find the probability that on a...
- Q Krish is taking a penalty shot for his soccer team. He estimates that his chances of scoring on a penalty kick during a game are 90% when there is no...
- Q On average, 10.0 persons per minute are waitingfor an elevator in the lobby of a large officebuilding between the hours of 8 A.M. and 9 A.M.What is the approximate probability...
- Q QuestiIn a horse race with 6 horses, you make a bet by predicting the ranking of all 6 horses. If you placeyour bet at random, what is the probability that...
- Q This season, the probability that the Yankees will win a game is 0.48 and theprobability that the Yankees will score 5 or more runs in a game is 0.57. Theprobability...
- Q A particular library has 58 visitors. When the visitors were asked how many books they read thatyear, 20 said they read one book, 22 said they read three, and 16...
- Q The Gallup organization found that 29% of Americans own a cat as a pet. Round all probabilities to fourdecimal places.a) Find the probability that 7 Americans own a cat as...
- Q A bag of blocks contains 4 purple blocks and 7 yellow blocks. What is the probability that a block picked at random is yellow? Select the correct answer below: 1/112/114/117/119/11
- Q From a well shuffled pack of 52 cards a player deals one by one a card from the top of the deck. The player canstop the game in any number...
- Q A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If an applicant is randomly selected,...
- Q In the United States, 42% of the population have brown eyes. Suppose 8 people are randomlyselected. Write each answer in a complete sentence.a. What is the probability at most 2...
- Q Suppose a life insurance company sells a $190,000 one-year term life insurance policy to a 25-year-old female for $290. The probability that the female survives the year is 0.999542. Compute...
- Q Assume that the price of regular unleaded gasoline across Canada is normally distributed with a mean of $3.10 and a standard deviation of $0.28. What is the probability that the...
- Q During a professional football game, every spectator placed his or her ticket stub into one of several containers. After the game, the coach chose four people to march in the...
- Q Chapter 6: You operate an auto store that sells tires. You are concerned about warranty returns on the tires. Company records show that the probability warranty repair for a tire...
- Q Let M be the event that a randomly chosen student passes a math test. Let S be the event that arandomly chosen student studies every day. Identify the answer which...
- Q The event of using your free hour to nap is A and the event of using your free hour to study is B. If these events are mutually exclusive events,...
- Q Mary wanted to track the growth of various peppers in her garden, so she decided to label them. Her garden had RED peppers labeled 1, 2, 3, 4, 5, 6,...
- Q There are 26 cards in a hat, each of them containing a different letter of the alphabet. If one card is chosen at random, what is the probability that it...
- Q Suppose Dan loses 34% of all checker games.(a) What is the probability that Dan loses two checker games in a row?(b) What is the probability that Dan loses three checker...
- Q A spinner contains the numbers 1 through 50. What is the probability that the spinner will land on a number that is not a multiple of 8?
- Q The probability that a randomly selected 2-year-old male chipmunk will live to be 3 years old is 0.99291.a) What is the probability that two randomly selected 2-year-old male chipmunks will...
- Q When a man observed a sobriety checkpoint conducted by a police department, he saw 668 drivers were screened and 6 were arrested for driving while intoxicated. Based on those results,...
- Q Ronald finished his daily jog and wants a drink. In his refrigerator, there are 2 cans of energy drink, 9 cans of soda, and 11 bottles of water. If Ronald...
- Q A spinner contains the numbers 1 through 40. What is the probability that the spinner will land on a number that is not a multiple of 6? Give your answer...
- Q While on vacation in Las Vegas, late one night in a bar you meet a sharply dressed man who claims to know that at the Tropicana there are six rigged...
- Q Martin will draw 3 cards from a standard 52-card deck without replacement 5 different times. For each 3-card draw, he will record the number of red cards and the number...
- Q For a certain casino slot machine, the odds in favor of a win are given as 33 to 67. Express the indicated degree of likelihood as a probability value inclusive.
- Q QuestionLet C be the event that a randomly chosen student sings in the choir. Let B be the event that arandomly chosen student is a boy. Identify the answer which...
- Q QuestionFor a biology experiment, students labeled the plants in a greenhouse in order to track theirheights over the next few weeks. The greenhouse contained ROSES labeled 1, 2, 3, 4,...
- Q A football team has enough resources to recruit one player. The players the team is interested in consist of 7 wide receivers, 10 offensive linemen, and 5 tight ends. If...
- Q A parking lot has 36 cars in it. Each car is either white, black, or gray. If one of the cars is randomly selected, the probability that the car is...
- Q Among 500 randomly selected drivers in the 16-18 age bracket, 375 were in a car crash in the last year. If a driver in that age bracket is randomly selected,...
- Q On their first date, Kelly asks Mike to guess the date of her birth, not including the year. Complete parts a through c below.a. What is the probability that Mike...
- Q Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 143 subjects with positive test results, there are 20 false...
- Q Results from a marijuana drug test study showed 143 subjects with positive test results including 24 false positive results. There were 157 negative results, including 3 false negative results. What...
- Q Consider the following situation: "A person rolls a four-sided die that has the numbers 1, 2, 3, and 4 on the faces. Then the person spins a spinner that has...
- Q A modified roulette wheel has 44 slots. One slot is 0, another is 00, and the others are numbered 1 through 42, respectively. You are placing a bet that the...
- Q Which of the following statements is not true?A. If the probability of an event occurring is 1.5, then it is certain that event will occur.B. If P(A) = 0, then...
- Q A bag contains 3 black balls and 5 white balls. Paul picks a ball at random from the bag and replaces it back in the bag. He mixes the balls...
- Q An important part of the customer service responsibilities of a cable company is the speed with which service troubles can be repaired. Historically, the data show that the likelihood is...
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