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A scientific calculator can generate two-digit random numbers. That is, it can choose a number at random from the set {00, 01, 02, . . . , 99}. To obtain a random number from the set {4, 5, . . . , 18}, show that we have to keep generating two-digit random numbers until we obtain one between 4 and 18.
A gambler places three bets. He puts down two dollars for each bet. He picks up three dollars (his original bet plus one dollar) if he wins the first bet.
State the appropriate hypotheses. Obtain a test statistic and p-value. Interpret the results at ? = .01. Is normality assured? Is the difference large enough to be important?
Find the probability of Among three children, there is exactly one girl. Among three children, there are exactly two girls. Among three children, all are girls.
(a) Let N(t) be the number of system failures in the interval [0,t]. In what case(s) will the stochastic process {N(t),t ≥ 0} be a renewal process if the random variables Sk do not all have an exponential distribution? Justify.
Illustrate what is the probability all four calls are infact emergencies. Illustrate what is the probability that three or more calls are not emergencies.
Find the PMFs of the number of untagged elk in the new sample (call this X) and of the total number of elk in the new sample (call this Y).
in the last quarter of 2007 a group of 64 mutual funds had a mean return of 4.8 with a standard deviation of 5.5. if
choose any time series data could be from the time series data libraryhttpwww-personel.buseco.monash.edu.auhyndmantsdl
An election coming up next week promises to be very close. In fact, assume that 50% are in favor and 50% are against. Suppose you conduct a poll of 791 randomly selected likey votes. Approx. how different will the percent in favor (from the poll) ..
In a survey, 85 percent of the employees say they favor a certain company policy. Previous experience indicates that 20 percent of those who do not favor.
in a normal distribution with u mu90 and o sigma15 find the proportion of data values between 80 and
Below are results of a regression of Y = average stock returns (in percent) as a function of X = average price/earnings ratios for the period 1949-1997 (49 years).
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