BUAL 2600 Exam 2 Gupta Questions + Answers Graded A+

A(n) ________ probability is a probability assessment that is based on experience, intuitive judgment, or expertise. - ️️subjective A discrete variable that can often be used to describe the number of occurrences of an event over a specified interval of time or space is a ________ random variable. - ️️Poisson A ________ is a measure of the chance that an uncertain event will occur. - ️️probability The ________ of two events X and Y is another event that consists of the sample space outcomes belonging to either event X or event Y or both events X and Y. - ️️union P(AUB) = P(A) + P(B) − P(A∩B) represents the formula for the ________. - ️️addition rule A process of observation that has an uncertain outcome is referred to as a(n) ________. - ️️experiment A probability may be interpreted as a long-run ________ frequency. - ️️relative Probabilities must be assigned to sample space outcomes so that the probability assigned to each sample space outcome must be between ________, inclusive. - ️️0 and 1 Which of the following is a valid probability value for a discrete random variable? - ️️.2 The variable Employment Status, which can take either the value 1 for Employed or 0 for Unemployed, is an example of a ________ random variable. - ️️√npq. A random variable that is defined to be the total number of successes in n trials is a ________ random variable. - ️️binomial When p = .5, the binomial distribution will ________ be symmetric. - ️️always A fair die is rolled 10 times. What is the average number of even number outcomes? - ️️5A fair die is rolled 36 times. What is the standard deviation of the even number (2, 4, or 6) outcomes? - ️️3 The probability that a given computer chip will fail is .02. Find the probability that of 5 delivered chips, exactly 2 chips will fail. - ️️.0038