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You toss a die and your payoff is f(x) = ( 0 if x = 0 x 2 otherwise. What is the optimal strategy and what is your expected winnings if you use the optimal strategy?
propane is contained in a closed rigid container with a volume of 10 m3. initially the pressure and temperature of the
consider a multiple regression model y beta0 beta1 x1 beta2 x2 beta3 x3 to fit these data which consist of
a voltmeter is used to read the potential difference accross the poles of a battery.the battery is rated at 20 v. the
what is the specific volume of water at 50 mpa and 80 degrees celcius. what would it be if the incompressible liquid
the electrical resistance on a long piece of wire is r. the wire is streatched to be twice as long and because the
suppose you have a histogram that shows relative frequency. how do you calculate the proportion of the sample that lies
a civil engineer must design a wheelchair accessible ramp next to a set of steps leading up to a building. the height
given a uniform distribution for a random variable x on the interval 1 to 11. what is the probability for x being
a circular rod has a radius of curvature r and a uniformly distributed charge q and it subtends an angle theta in
a six-cylinder four-stroke spark-ignition engine operating on the ideal otto cycle takes in air at 14 psia and
What is the probability that the difference between the sample mean and the population mean is less than 0.01? 5. What is the likelihood the sample mean is greater than $ 3.87?
A random sample of 61 accounts were checked. The standard deviation was $286.20. At α= 0.01, test the firms' assumption. Assume the account balances are normally distributed.
Using the critical value approach and the sample information reported below, carry out a test of this statement. Let α = 0.05.
If random sample of 9 loads is selected for weight check, determine probability that mean weight of those loads is more than 40.60 tons.
the proportion of americans who are satisfied with the way things are going in there lives is 0.76. suppose that a
State the null and alternative hypotheses you would use to test whether the year-end bonuses paid by Jones & Ryan were different from the population mean.
a two-stage clinical trial is planned for for testing h0 p0.10 versus ha pgt0.10 where p is the proportion of
Cold this past winter and found out how long their cold symptoms lasted. Assuming that the Central Limit Theorem applies, give the sampling distribution of X for n = 50.
salt-free diets are often prescribed to people with high blood pressure. the following data values were obtained from
Indicate at which point flat-of-curve medicine is experienced in the following example (imagine that antibiotics have been prescribed for a given population of 1,000 elderly persons).
The sample mean life is 805 hours with 64 hours of the sample standard deviation. Is there enough evidence to conclude that the manufacturer's claim is true at the 5% significance level?
Calculate the range, variance, and standard deviation for these sample data.
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