Basic Math question and answers for October 05, 2024
- Q How can you use a simulation to collect data for an event that has two possible outcomes that each have a probability of 0.5?Use a coin and let heads represent...
- Q Hector plays a game with a friend. They pay $1 and roll a 6-sided die. If the die comes up a number that is larger than 2, they win $7....
- Q A study determined that 9% of children under 18 years of age live with their father only. Find the probability that at most 2 persons selected at random from 10...
- Q Given P(A) = 0.36, P(B) = 0.2 and P(An B) = 0.122, find the value of P(AUB), rounding to the nearest thousandth, if necessary.
- Q A student of elite distance runners found a mean body weight of 63.1 kg, with a standard deviaiton of 4.8 kg. What proportion of runners have body weights below 60...
- Q here are two Statistics class in the high school. Andrea is in the AP class with 12 students and Drew is in the regular class with 18 students. If one...
- Q A laundry detergent company's 32-ounce bottles pass inspection 98/100 of the time. If the bottle does not pass inspection, the company loses the unit cost for each bottle of laundry...
- Q A study determined that 5% of children under 18 years old lived with their father only. Find the probability that none of the children selected at random from 15 children...
- Q 11.9% of the population is 65 or older. Find the probability that the following number of persons selected at random from 25 people are 65 or older.The probability that at...
- Q In a class of 28 students, 10 are female and 15 have an A in the class. There are 4 students who are female and have an A in the...
- Q A basketball player has a 0.654 probability of making a free throw. If the player shoots 13 free throws, what is the probability that she makes less than 6 of...
- Q The city council conducts a survey of the city's residents to determine which services are most used by the community. 60% of the residents say that they use the library,...
- Q The 35-member History Club is meeting to choose a student government representative. The members decide that the representative, who will be chosen at random, CANNOT be any of the 3...
- Q A bag contains 5 blue marbles, 4 red marbles, and 3 orange marbles. Mrs. Cox picks one without looking, replaces it and picks another one. What is the probability that...
- Q A card is pulled from a deck of card and noted. The card is then replaced,the deck is shuffled, and a second card is removed and noted. What is theprobability...
- Q Among the students in a local school division, ACT scores were normally distributed this year with a mean score of 20.7 and a standard deviation of 5.9. SAT scores were...
- Q There is a spinner with 15 equal areas, numbered 1 through 15. If the spinner is spun one time, what is the probability that the result is a multiple of...
- Q In a certain Algebra 2 class of 26 students, 21 of them play basketball and 7 of them play baseball. There are 2 students who play neither sport. What is...
- Q Peter Elzinga is a Dutch competitive archer who was ranked number 1 inthe world in 2004.The probability that he makes a bullseye (i.e. a 10 point shot) on any givenshot...
- Q Suppose that a recent poll found that 64% of adults believe that the overall state of moral values is poor. Complete parts (a) through (c).(a) For 250 randomly selected adults,...
- Q A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 90% confidence interval that results from examining 595 customers in one fast-food chain's drive-through has a lower...
- Q Teams of students compete in a robotics contest. The times for the robots to complete an obstacle course are normally distributed. The mean time for completion is 60 seconds, and...
- Q Suppose there is a 22.1% probability that a randomly selected person aged 30 years or older is a jogger. In addition, there is a 25.8% probability that a randomly selected...
- Q At Andrew Jackson High School, students are only allowed to enroll in AP U.S. History if they have already taken AP World History or AP European History. Out of 825...
- Q For the month of August in a certain city, 57% of the days are cloudy. Also in the month of August in the same city, 19% of the days are...
- Q A yogurt shop offers 25 flavors of frozen yogurt. Evie randomly chooses 3 different flavors for her banana split. What is the probability she chooses chocolate, vanilla, and strawberry? (Independent...
- Q Out of 75 students, 45 are taking Algebra 2 and 32 are taking Chemistry. Sixteen students are taking both Algebra 2 and Chemistry. If a student is chosen at random,...
- Q Every day, Carmen walks to the bus stop and the amount of time she will have to wait for the bus is between 0 and 12 minutes, with all times...
- Q Ms. Kelly is organizing a board game day. She has 7 different board games. She needs to organize the order that the games are played that day.S={Apples To Apples, Balderdash,...
- Q Choose one of the following questions to answer Level 4- A new supermarket was launched in Kitchener. On opening day customers came to the store and were asked how they...
- Q Determine whether each of the following probabilities is either theoretical or empirical. You played blackjack and had one blackjack out of 10 times. Then your probability of getting a blackjack...
- Q Suppose there is a 12.6% probability that a randomly selected person aged 20 years or older is a jogger. In addition, there is a 18.5% probability that a randomly selected...
- Q A survey of 78 men and women was conducted. Of the 78 surveyed, 41 were women, 28 were married, and 17 were married women. What is the probability of randomly...
- Q The amount of money that a car insurance company pays out in a given week on single-car accidents follows approximately a normal distribution with mean $45,000 and a standard deviation...
- Q Use technology to find the P-value for the hypothesis test described below. The claim is that for 12 AM body temperatures, the mean is u> 98.6F. The sample size is...
- Q Use the Fundamental Counting Principle to determine the total number of outcomes.3. Picking a card from a standard deck then rolling a standard die.4. Choosing a random answer to the...
- Q Alex is taking two courses; algebra and history. Student records indicate that the probability of passing algebra is 0.55, that of passing history is 0.4, and that of passing at...
- Q You are given 6 to 1 odds against tossing three heads with three coins . (probability 1/8 meaning you win $ 6 if you succeed and you lose $ 1...
- Q Select ALL the correct answers.Two friends worked together on an entry for a poetry contest and won; however, there is only one prize and it cannot be split. Some methods...
- Q You order ten burritos to go from a Mexican restaurant, six with hot peppers andfour without. However, the restaurant forgot to label them.If you pick three burritos at random, find...
- Q According to a recent survey, forty percent of the people living in a certain region carry a certain genetic trait. People from the region will be selected at random one...
- Q Nell donated 30 notebooks to a local school and Ronald donated 20 notebooks. Of the donated notebooks, 16 of Neil's notebooks were wide-ruled and 12 of Ronald's notebooks were wide-ruled....
- Q In a recent study on world happiness, participants were asked to evaluate their current lives on a scale from 0 to 10, where 0 represents the worst possible life and...
- Q University of Tennessee Volunteers women's basketball team. She has injured her ankle, and it is doubtful that she will be able to play in an upcoming game/If Candace can play...
- Q A pair of dice is rolled.What is the probability that the sum is 3, given that the sum is odd?Write a fraction in simplest formFor example, 12/17
- Q 19% of all college students volunteer their time. Is the percentage of college students who arevolunteers different for students receiving financial aid? Of the 350 randomly selected students whoreceive financial...
- Q A bag has 2 red balls, 4 blue balls, and 3 yellow balls. Two balls are taken out of the bag 1 at a time. Is each statement True or...
- Q The probability that Gary and Jane have a child with blue eyes is 0.4, and the probability that they have a child with blond hair is 0. 25. The probability...
- Q In the game of roulette, a player can place a $10 bet on the number 7 and have a 1/38 probability of winning. If the metal ball lands on 7,...
- Q A survey of TV viewing habits of 50 men and 50 women found the following information: Of the 50 men, 20 prefer watching baseball and 30 prefer football. Of the...
- Q You spin a spinner that is equally divided into 9 parts. 3 parts are green, 2 parts are speckled, 2 parts are yellow, and 2 parts are black. What is...
- Q Determine the probability of choosing a month that starts with a vowel or a month that is represented by an even number. Determine if these are independent events or mutually...
- Q Two marbles are to be pulled from a bag that contains 2 yellow marbles, 4 green marbles, and 6 orange marbles. After the first marble is drawn, it is not...
- Q A bag has 3 red balls, 3 blue balls, and 2 yellow balls. Two balls are taken outof the bag, 1 at a time. Is each statement True or False?The...
- Q Explain the difference between finding P(A or B) and P(A and B). Suppose A and B are dependent events. Provide an example for each probability.
- Q Construct a normal bell curve with the mean, the deviations from the mean, and the percentages of the three areas under the curve. Upload the image for your teacher to...
- Q A researcher found a Person correlation, r=-0.42 between frequency of binge drinking and GPA ina sample of n = 29 undergraduate students. With the 2-tails test, he should conclude that...
- Q The average life span of one particular brand of refrigerator is 12 years with a standard deviation of 0.8. Find the percentage of refrigerators that last for more than 14...
- Q Exactly 62% of the teachers in your school are under 47 years old. In addition, 4% of the teachers are over 49 years old. What is the probability that a...
- Q Denis examined the records of the clients who had joined his gym more than six months ago, and he found the following:P(joined in January) = 0.12P(member for over 6 months)...
- Q Three starting youth basketball players are ages 8, 10, and 9. Solve for the probability that a sample of two is randomly chosen.Show your work and explain the steps you...
- Q Juan runs a company that makes pens. He notices that 1 out of every 9 pens are faulty. He uses a standard deck of cards to model the situation, with...
- Q 37% of adults say cashews are their favorite kind of nut. You randomly select 12 adults and ask each to name his or her favorite nut. Find the probability that...
- Q In Ventura County, the height measurements of ten-year-old children are approximately normally distributed with a mean of 54.7 inches, and standard deviation of 5.1 inches. Let X be the height...
- Q A 6-sided die is rolled. The set of equally likely outcomes is {1,2,3,4,5,6). Find the probability of rolling a number less than 8.The probability of rolling a number less than...
- Q A bag contains 4 red balls, 6 blue balls, and 8 yellow balls. If you replace each ball after you see it's color, find the probability of removing a blue...
- Q Total blood volume in ml per body weight in kg, is important in medical research. For healthy adults, the red blood cell volume is about ? = 28 ml/kg. Suppose...
- Q Thirty percent of consumers prefer to purchase electronics online. You randomly select 8 consumers. Find the probability that the number of consumers who prefer topurchase electronics online is (a) exactly...
- Q How many times would a coin have to show heads in 50 tosses to have an experimental probability of 20% more than the theoretical probability of getting heads?A. 10B. 25C...
- Q A restaurant offers a choice of 5 salads, 7 main courses, and 3 desserts. How many possible 3-course meals are there?A. 210B. 105C. 15D. 35
- Q Assume that the salaries of elementary school teachers in the United States are normally distributed with a mean of $28,000 and a standard deviation of $3000. What is the cutoff...
- Q A parachutist drops a penny from 1000 feet above the ground. What is the probability of the penny landing a 10 cm x 10 cm square inside a 1000 cm...
- Q 27% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or sheuses...
- Q Eight people in the class are left-handed. If there are 32 students in the class, what is the probability of randomly choosing one who is right-handed?
- Q Solve the problem involving probabilities with independent events. A card is drawn from a 52-card deck and a fair coin is flipped. What is the probability of getting jack and...
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