On average, an IRS auditor discovers 4.7 fraudulent income tax returns per day. On a randomly chosen day, what is the probability that she discovers fewer than two?
Q: Do people walk faster in the airport when they are departing (getting on a plane) or do they walk fa...
A: a.Experimental study: An experimental study is a study, in which the investigator themselves control...
Q: Fiven Pr[E] =.25 and Pr(E u F) = .55, determine Pr[F]. (if the events are independent.
A: Given dataPr(E) = 0.25Pr (E u F) = 0.55If the events are independent
Q: In a lottery, 3000 tickets are sold for $1 each. One first prize of $5000, 1 second prize of $1000, ...
A: Expected value:The expected value of a random variable is the sum of the possible values that the ra...
Q: All seasons plumbing has two truck services that frequently need repair. If the probability of one t...
A: From the given information,The probability of one truck is available is 0.80.The probability of seco...
Q: A man wishes to purchase a life insurance policy that will pay the beneficiary $25,000 in the event ...
A: It is given that he will live another year is 0.92 and the amount of gain is 25,000.
Q: from 1 draw, find, (deck of cards) (a) P(diamonds) (b) P( King of diamonds)
A: There are 52 cards in a standard deck of cards in which 13 are diamonds.
Q: Which of the following r-values represent the weakest linear correlation between independent (x) and...
A: A correlation coefficient is used to define, a relation between independent variable (x) and depende...
Q: Suppose that 2 fair dice are rolled and their sum is noted. What is the expected sum? Suppose you ro...
A: As you have posted 3 different questions, we are answering the first question. In case you require t...
Q: If A and B are events such that P(A)equals=0.60 and P(A∪B)equals=0.70, find P(B) when (a) A an...
A: (a)If events A and B are mutually exclusive events, then, P (A or B) = P(A)+ P(B).Or, P(B) = P (A or...