Basic Math question and answers for September 28, 2024
- Q An ice chest contains six cans of apple juice, eight cans of grape juice, four cans of orange juice, and two cans of mango juice. Suppose that you reach into...
- Q A rainstorm in Portland, Oregon, wiped out the electricity in 5% of the households in the city. Suppose that a random sample of 70 Portland households is taken after the...
- Q A pet store has 11 puppies, including 3 poodles, 4 terriers, and 4 retrievers. If Rebecka and Aaron, in that order, each select one puppy at random without replacement, find...
- Q Find the probability that at most 2 heads occured when 5 fair coins are tossed.The probability that at most 2 are heads is
- Q From the sample space S = {1, 2, 3, 4,..., 15) a single number is to be selected at random. Given the following events, find the indicated probability.A: The selected...
- Q A factory received a shipment of 48 hammers, and the vendor who sold the items knows there are 4 hammersin the shipment that are defective. Before the receiving foreman accepts...
- Q A desk drawer contains 5 red pens, 6 blue pens, 3 black pens, 24 silver paper clips, and 16 white paper clips. If you select a pen and a paper...
- Q Assume that Jim, Bruce, and Valerie are three of the 34 members of the class, and that three of the class members will be chosen randomly to deliver their reports...
- Q What is the probability or rolling either an even number or a multiple of 3 when rolling a standard dice?A.1/3B. 5/6C. 1/6D. 2/3
- Q A "trifecta" is a particular horse race in which you win by picking the "win," "place," and "show" horses (the first-, second-, and third-place winners), in their proper order. If...
- Q Lisa has one red die and one green die, which she rolls to make up fractions. The green die is the numerator, and the red die is the denominator. Some...
- Q For the experiment of drawing a single card from a standard 52-card deck, find (a) the probability of the following event, and (b) the odds in favor of the followingevent.Neither...
- Q A forest contains about 700 trees. You randomly choose 65 trees and find that 30 of them are pine trees. What is the probability that a randomly selected tree will...
- Q A box has 19 candies in it: 3 are peppermint, 5 are butterscotch, and 11 are taffy. Reuben wants to select two candies to eat for dessert. The first candy...
- Q Luka and Janie are playing a coin toss game. If the coin lands heads up, Luka earns a point; otherwise, Janie earns a point. The first player to reach 22...
- Q The digits 3, 4, 5, 6, and 7 are randomly arranged to form a five-digit number. Complete parts (a) and (b) below.(a) Find the probability that the number is odd.The...
- Q Two integers are randomly selected from the set {1, 2, 3, 4, 5, 6, 7, 8, 9) and are added together. Find the probability that their sum is 12 if...
- Q Let A and B be two events. Suppose that P (A)=0.52 and P (B)=0.13.(a) Find P(AorB), given that A and B are mutually exclusive.(b) Find P(AorB), given that A and...
- Q You draw a single card from a deck of 52 playing cards. (Reminder: There are four suits includingclubs, spades, hearts and diamonds. Each suit has 13 cards with numbers Ace...
- Q Consider a collection of envelopes consisting of 3 red envelopes, 1 blue envelope, 2 green envelopes, and 2 yellow envelopes. If one of the envelopes is selected at random, determine...
- Q A pet store has 10 puppies, including 3 poodles, 6 terriers, and 1 retriever. Rebecka and Aaron, in that order, each select one puppy at random without replacement. Find the...
- Q A pet store has 12 puppies, including 6 poodles, 5 terriers, and 1 retriever. Rebecka and Aaron, in that order, each select one puppy at random without replacement. Find the...
- Q In a certain city, projections for the next year indicate there is a 20% chance that electronics jobs will increase by 1200, a 50% chance that they will increase by...
- Q A city experiences rain, on average, twice in every ten days during the summerRain is predicted on average for 70% of the days when rainfall actually occurs, and rain is...
- Q Assume food prices have risen about 4% per year for the last five years.a. If a gallon of milk cost $2 five years ago, what does it cost today?b. If...
- Q Living with parents: A Pew Research analysis stated that in 2012, 36% of the nation's young adults ages 18-31 - the so-called Millennial generation - were living in their parents'...
- Q A single, six-sided die is rolled. Find the probability of rolling an odd number or a number less than 5.The probability is(Type an integer or a fraction. Simplify your answer.)
- Q A child rolls a 6-sided die. The parent will give the child $3.00 for each dot on the up-side of the die.What is the expected value of the amount the...
- Q A hat contains 5 marbles; one orange, one blue, one green, one yellow, and one red. Two marbles are selected at random without replacement from the hat. Answer parts a...
- Q Assuming that boy and girl babies are equally likely, what would be Kathy's probability of having at least two daughters if she were to have four children altogether? (You may...
- Q A research article gives a p-value of .001 in the analysis section. Which definition of a p-value is the most accurate?A. the probability that the observed outcome will occur again.B....
- Q A game show contestant is offered the option of receiving a computer system worth $2000 or accepting a chance to win either a luxury vacation worth $5200 or a worth...
- Q Captain Ashley has a ship, the H.M.S Crimson Lynx. The ship is two furlongs from the dread pirate Umaima and her merciless band of thieves.If her ship hasn't already been...
- Q SOCKSThere is a drawer with 18 loose socks in it. There are 7 navy socks, 6 white socks, and 5black socks.You pull one sock out, look at the color, and...
- Q When playing bingo, 50 balls are placed in a bin and balls are selected at random. Each ball is marked with a letter and number as indicated in the chart...
- Q A student-faculty government committee of 4 people is to be formed from 20 student volunteers and 5 faculty volunteers. Find the probability that thecommittee will consist of the following, assuming...
- Q The general manager of a fast-food restaurant chain must select 9 restaurants from 11 for a promotional program. How many different possible ways can thisselection be done?It is possible to...
- Q An athlete has tested positive for steroids. A false positive means the test was positive, but the athlete didnot use steroids. A true positive means the athlete tested positive and...
- Q A survey on campus revealed that 59% of the students felt that a new attendance policy was unfair. If a student is randomly asked to give an opinion of the...
- Q A jar contains 4 pennies, 8 nickels and 3 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of...
- Q A bag contains 5 red marbles, 6 white marbles, and 5 blue marbles. You draw 3 marbles out at andom, without replacement. What is the probability that all the marbles...
- Q The next 4 problems are based on the following table:Hair color Red Brown GreenMales 15 20 40Females 55 40 3513. Given a person is a Female, what is the probability...
- Q Mark and Raul play three games of pool. They are equal in ability. Draw a tree diagram to determine the sample space and find the probabilities. Let Mrepresent the event...
- Q You roll a fair six-sided die twice. Find the probability of rolling a 3 the first time and a numbergreater than 4 the second time.
- Q A card is drawn randomly from a standard 52-card deck. Find the probability of the given event.(a) The card drawn is 9The probability is:(b) The card drawn is a face...
- Q A jar contains 12 chocolate cookies numbered 1 to 12, and 13 sugar cookies numbered 1 to 13. A cookie is drawn at random from the jar. Find the probability...
- Q A paper bag contains three $1 bills, two $5 bills, six $10 bills, and one $20 bill. Leonard may select and keep one bill from the bag. Find Leonard's expected...
- Q A savings and loan association needs information concerning the checking account balances of its local customers. A random sample of 14 accounts was checked and yielded a mean balance of...
- Q We wish to estimate what percent of adult residents in a certain county are parents. Out of 100 adult residents sampled, 71 had kids. Based on this, construct a 90%...
- Q A compact disk player is being raffled off, and 150 tickets are sold. If Joyce bought a ticket, what are the odds in favor of her winning the compact disk...
- Q Harvey has kept a record of all of the fish he has caught in Willow Green Lake. He has caught 126 bass, 42 catfish, and 72 blue gill. What is...
- Q You roll a die, winning nothing if the number of spots is odd, $1 for a 2 or a 4, and $7 for a 6.Round your answers to 3 decimal...
- Q A city council consists of five Democrats and five Republicans. If a committee of six people is selected, find the probability of selecting three Democrats and threeRepublicans.(Type a fraction. Simplify...
- Q 26) IN ONE REGION, 40% OF ALL RESIDENTIAL TELEPHONE NUMBERS AREUNLISTED. IF 5 RESIDENTIAL HOUSING UNITS ARE RANDOMLYSELECTED, FIND THE PROBABILITY THAT ALL OF THEM HAVEUNLISTED NUMBERS.
- Q The number of songs enjoyed from Aesop Rock for all Learn4Life students is normally distributed with a mean of 5.0 songs and a standard deviation of 2.0 songs.1. What is...
- Q Suppose that 29% of people own dogs. If you pick two people at random, what is the probability thatthey both own a dog?Give your answer as a decimal (to at...
- Q The probability that a person in the United States has type B* blood is 8%. Four unrelated people in the United States are selected at random. Complete parts (a) through...
- Q Two coins are flipped. If Hrepresents the coin landingon heads and T representsthe coin landing on tails,then the set of equally likelyoutcomes for thecombinations are {TT, TH,HT, HH}.What is the...
- Q A factory received a shipment of 44 sprockets, and the vendor who sold the items knows there are 5 sprockets in the shipment that are defective. Before the receiving foreman...
- Q Travel time for employees at a large company is approximately normally distributed with a standard deviation of 8 minutes. If 14.7% of the employees travel no longer than 26.3 minutes...
- Q A committee of five students is tobe selected from a group of sixgirls and four boys. Three of thestudents are Kim, Donald, andJason. If the committee isselected at random, theprobability...
- Q One die is rolled. Let:A = event the die comes up evenB = event the die comes up oddC = event the die comes up 4 or moreD = event...
- Q (1 point) A baseball player has a lifetime batting average of 0.238. If, in a season, this player has 425 "at bats", what is the probability he gets 115 or...
- Q A box contains nine whiteboardmarkers. Three of the markershave no ink. If a student selectstwo markers from the box withoutreplacement the variance for thenumber of pens without ink is:Select one:O5/...
- Q 5 cards are drawn at random from a standard deck.a) Find the probability that all the cards are hearts.b) Find the probability that all the cards are face cards.Note: Face...
- Q Sam is making his subjectselections for his first yearuniversity course. He can choosefrom four different mathematicssubjects, three science subjects,two language subjects and twohistory subjects. What is theprobability that he selects...
- Q A bag contains 9 red marbles, 8 white marbles, and 5 blue marbles. You draw 3 marbles out at random,without replacement. What is the probability that all the marbles are...
- Q a. Let x be a binomial random variable that denotes the number of people in a random sample of 16 Americans who do not knowthat GOP stands for Grand Old...
- Q 12. Thirty percent of Law students who sit for a bar examination pass it the first time. using the Binomial distribution table, the probability that in a random sample of...
- Q Eight percent of all college graduates hired by companies stay with the same company for more than5 years. The probability that in a rondan sample of 12 such college graduates...
- Q Suppose that North Carolina decides to randomly test high school football players for steroid use: North Carolina plans to test 50 of these athletes by randomly choosing 3 from each...
- Q 17) A lottery offers one $1000 prize, one $500 prize, and four $100 prizes. One thousand tickets are sold at $3.00 each. Find the expectation if a person buys one...
- Q A set of exam scores is normally distributed with a mean = 74 and standard deviation = 8.Use the Empirical Rule to complete the following sentences.68% of the scores are...
- Q To determine how American college students feel about commuting, 100 students at a private university were randomly chosen by selecting 50 men and 50 women to participate. They were asked...
- Q At the Stop 'n Go tune-up and brake shop, the manager has found that an SUV will require a tune-up with a probability of 0.6, a brake job with a...
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