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a) Find the mean and standard deviation of the binomial distribution for which n = 1000 and p = 0.94.
b) List the possible values of the random variable x for the distribution.
c) Which values of x would be usual to observe?
Suppose we have private values but types are correlated. Find the optimal auction amongst the class of all-pay auctions.
Samples of rainbow trout taken from the Spokane River were tested for lead and for zinc content, in milligrams per kilogram.
Heights of men baseball team have a bell-shaped distribution with a mean of 180cm and standard deviation of 8 cm
We want to find a 95% confidence interval for the true proportion of the population who favor the bill. What is the lower limit of the interval?
Among 12 adults randomly selected from this area, only 3 reported that their health was excellent. Find the probability that when 12 adults are randomly selected, 3 or fewer are in excellent health.
The null hypothesis here is that the proportion of students receiving an A, B, or C is the same for each of the four combinations of instructor type.
Test the null hypothesis that a population mean is 50 against the alternate hypothesis that the mean is not 50. What "model" should be used and why?
You've two separate sets of data. From one set you calculate the standard error to be 500. From the other set, the standard error was 5.
Use the GSS-08 dataset on the companion website. The variable degree indicates the highest educational degree achieved by a respondent.
Translate the premise and conclusion of the following immediate inferences into standard-form categorical propositions.
Two servers with lambda 1 & lambda 2 service times exponentially distributed. Pat waits in a line to get served by any of the two servers. What is the waiting time of pat if no one is on the line?
if a two-sided null hypothesis is rejected for a single mean at a given significance level the corresponding one-sided
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