Basic Math question and answers for September 30, 2024
- Q Janelle requested one statistics book from two different libraries of her neighborhood. There is 52% chance that the book is available in the first library and there is 25% chance...
- Q At a busy street corner, one of every hundred jaywalkers will be hit when they cross. What is the probability of a jaywalker not being hit if he makes a...
- Q A certain city has one chance in two of receiving rain on June 1, one chance in five of receiving rain on July 1, and two chances in three of...
- Q Twenty students belong to a summer baseball team, Included Sam and Jose. Each day at practice, two are randomly chosen to go fill the team thermos with Ice water. Assuming...
- Q The probability for success of an event is P(A), and the probability of success of a second event is P(B). What is the probability of both events occurring, in that...
- Q One bag contains three white marbles and five black marbles, and a second bag contains four white marbles and six black marbles. A person draws one marble from each bag....
- Q The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 117 millimeters of mercury (mmHg) and standard deviation of 22. Someone qualifies as...
- Q A marble is drawn from a box containing 4 yellow, 5 white, and 19 blue marbles. Find the odds in favor of not drawing a white marble.In reduced form, the...
- Q A job applicant estimates that his chance of passing a qualifying examination is 2/3, and his chance of being appointed if he does pass is 1/4. What is the probability...
- Q There are five different fish, each of a different species, in a tank that needs to be cleaned. What is the probability that the first two scooped out are a...
- Q In a small town parade, the band always goes first and the horses go last. In between are five floats,labeled A, B, C, D, and E. Assuming equal probability for...
- Q A class of 160 students contains 40 honor students, 60 athletes, and 80 who are neither athletes nor honor students. From the entire group a student is chosen at random....
- Q Nine new employees, two of whom are married to each other, are to be assigned nine desks that are lined up in a row. If the assignment of employees to...
- Q Compute probabilities of each outcome by dividing the frequency of each row by ten. This is the empirical probability of each outcome. Compute theoretical probability for each row, using combinations....
- Q On a particular day, the mean price of gasoline was $3.63 a gallon with a standard deviation of $0.20 a gallon. What is the probability that a gas station has...
- Q A geologist has ten rock samples in a bag and is going to use eight for class. What is the probability that the first three pulled out will be hematite,...
- Q Two balls are to be selected with replacement from a hat with one red, one blue, one yellow, and one green ball. Determine the probability of selecting at least one...
- Q An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession...
- Q You have six flower vases that you would like to display on a shelf, but only three can fit. You would liketo have the white vase placed in the middle....
- Q A certain class of 160 students has 40 honor students and 60 athletes. Eighty students in the class do not participate in sports and are not honor students. If a...
- Q Which of the following predictions can be calculated using a binomial distribution?a.Whether a baseball player will hit a home run during a five-game seriesb. The number of product samples that...
- Q If a child's knowledge of the alphabet is limited to the letters a, b, c, i, and e, and if the child writes two letters at random (assume the child...
- Q The sale of sports cars in the United States during one year was 550,000. Two hundred five thousand cars had six cylinders and the rest had four cylinders. What is...
- Q You are given that the probability of event A is 0.232, the probability of event B is 0.404, and the probability of either event A or event B is 0.5664.Enter...
- Q You are setting up a trophy display with twelve out of fifteen trophies for your school. Any trophy can fit anywhere in the display, but the principal has instructed you...
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