Basic Math question and answers for September 29, 2024
- Q In a recent survey of 705 teens, 300 said they have a sister and 383 teens have a brother. One-third of those teens with a sister also have a brother.What...
- Q Based on past results found in the Information Please Almanac there is a 0.1919 probability that a baseball World Series will last four games, a 0.2121 probability that it will...
- Q Suppose that we've decided to test Clara, who works at the Psychic Center, to see if she really has psychic abilities. While talking to her on the phone, we'llthoroughly shuffle...
- Q Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball stadiums. Find the range, variance, and standard deviation forthe given sample data. Include appropriate units...
- Q A population of values has a normal distribution with ? = 154.9 and ? = 81.7. You intend todraw a random sample of size n = 12.Find the probability that...
- Q An experiment is conducted with numbers.Let the S be the sample space.S = {1, 2, 3, 4, 5, 6, 7, 8,9, 10, 11, 12) with eventsE = {2, 3, 4,...
- Q Given the following information about events A and BP(A) = 0P(A AND B) = 0P(B) = 0.25Are A and B mutually exclusive, independent, both, or neither?Select the correct answer below:A...
- Q Pablo randomly picks three marbles from a bag of eight marbles (four red ones, three green ones, and one yellow one). How many outcomes are there in the sample space?...
- Q A real estate agent has 8 master keys to open several new homes. Only 1 master key will open any given house. If 60% of these homes are usually left...
- Q A bag contains ten tiles labeled B, C, D, E, F, G, H, I, J, and K. One tile will be randomly picked. What is the probability of picking a...
- Q A fair die is rolled 4 times. What is the probability that a 6 is obtained on at least one of the rolls? Round your answer to three decimal places.
- Q A bag contains red and white balls. A pair of balls is selected at random from the bag. The probability that the pair selected will consists one red and one...
- Q A facilities supervisor at a sports stadium wants to rate the condition of the seats at the stadium. Which of the following best describes a stratified sample of seats?The supervisor...
- Q After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they liked the movie. Out of 25 adults, 16 said they liked the movie,...
- Q A coin will be tossed three times, and each toss will be recorded as heads (H) or tails (T). Give the sample space describing all possible outcomes. Then give all...
- Q At LaGuardia Airport for a certain nightly flight, the probability that it will rain is 0.14 and the probability that the flight will be delayed is 0.07. The probability that...
- Q Polychlorinated biphenyl (PCB) is among a group of organic pollutants found in a variety of products, such as coolants, insulating materials, and lubricants in electrical equipment. Disposal of items containing...
- Q The mean salary offered to students who are graduating from Coastal State University this year is $24,275, with a standard deviation of $3678. A random sample of 80 Coastal State...
- Q If 2 cards are selected from a standard deck of 52 cards without replacement, find these probabilities.Enter your answers as fractions or as decimals rounded to 3 decimal places.Part 1...
- Q At a gathering consisting of 3 men and 9 women, two door prizes are awarded.Parte:(a) Find the probability that both prizes are won by men. The winning ticket is not...
- Q While walking to his stats class, Klutzy Kramer bumped into a table and knocked off a coin and a dle the instructor was planning to use in demonstratingprobability. Using a...
- Q Provide an appropriate response.An event is considered unusual if the probability of observing the event isless than 0.025less than 0.05greater than 0.95less than 0.10
- Q From experience, an airline knows that only 85% of the passengers booked for a certain flight actually show up. If 8 passengers are randomly selected, find the probability that at...
- Q Ravi the trainer has two solo workout plans that he offers his clients: Plan A and Plan B. Each client does either one or the other (not both). On Friday...
- Q In an experiment, a ball is drawn from an urn containing 7 yellow balls and 7 purple balls. If the ball is yellow, three coins are tossed. Otherwise two coins...
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