Determining probability and rv

Reference no: EM13103730

1) An elevator starts at the basement with 8 people (not including the elevator operator) and discharges them all by the time it reaches the top floor, number 6. In how many ways could the operator have perceived the people leaving the elevator if all people look alike to him? what if 8 people consisted of 5 men and 3 women and the operator could tell a man from a woman?

2) A total of 4 buses carrying 148 students from the same school arrives at football stadium. The buses carry respectively 40,33,25,50 students. One of the students is randomly selected. let X denote the number of students that were on the bus carrying this randomly selected students. one of the 4 bus drivers is also randomly selected. let Y denote the number of students on her bus. which of E[X] or E[Y] do you think is larger, why? also, compute E[X] and E[Y]

Reference no: EM13103730

Questions Cloud

Payoff for game of dice : Two people are playing a game. Only one dice is thrown. If the outcome is a 2 or a 3, then player 1 pays player 2 $6. How much should player 2 pay player 1 when a 1, 4, 5 or 6 is thrown so that player 1 and 2 break even

Probability-federal income tax return : Suppose the probability that a federal income tax return conatins an arithemetic error is 0.2. If 10 federal income tax returns are selected at random,

What are the advantages of utilizing screening tools : What are the advantages of utilizing screening tools to screen applicants? What influence do they have on HR departments?

Constructing the confidence interval estimate : What assumption must you make about the population distribution in order to construct the confidence interval estimate in (a)?

Determining probability and rv : An elevator starts at the basement with 8 people (not including the elevator operator) and discharges them all by the time it reaches the top floor, number 6.

Apprise the irs of the unauthorized tax return : Able Ann Reddy CPA prepared Mr. Smith's tax return last year as well as appropriately signed the preparer's declaration. Several months later Able learned that Mr. Smith improperly altered several figures

Communication takes between managers at the top : As per to Fayol the greater the number of levels in management hierarchy the communication takes between managers at the top

Population-proportion of administrative professionals : Construct a 95% confidence interval estimate for the population proportion of administrative professionals who prefer cash bonuses.

Continous probability distribution : A sample of 81 observations is taken from a normal population. The sample mean is 40, and the sample standard deviation is 5. Determine the 95 percent confidence interval for the population mean.

User Account

All Pages