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A statistician has to decide on the basis of two observations whether the parameter ? of a binomial distribution is 1/4 or 1/2; his loss ( a penalty that is deducted from his fee) is $160 if he is wrong.
a) construct a table showing four possible value of the loss function
b), list the eight possible decision function
c), show that three of the decision function are not admissible
d), find the decision that is best accoring to the minimax criterion
Assume that female students' heights are normally distributed with a mean given by µ = 64.2 in. and a standard deviation given by σ = 2.6 in.
a organic food company wants to determine the best process for blanching dark green vegetable material so it can be
a study showed 36 out of 120 kids watch cartoons. which is the possible proportionpercentage of students who watched
A data set of ordered pairs with a negative linear correlation has a coefficient of determination of 85.2%. What is the linear correlation coefficient?
consider a customer service facility that is staffed with 2 representatives. we assume that the amount of time a
Distributed with a mean of 1 centimeter and a standard deviation of 0.1 centimeter. A random sample of 12 computer chips is taken. what is the standard error for the sample mean?
The average monthly gasoline purchase for a family with 2 cars is 90 gallons. This statistic has a normal distribution with a standard deviation of 10 gallons. A family is chosen at random.
question random sampling from two normal populations produced the following resultsx1
q1. during 9 surveys throughout the past decade the apartment vacancy rates in minneapolis in percentage were found to
Estimate a test statistic for null hypothesis H0: μ = 30 against two-sided alternative hypothesis H1 : μ ≠ 30, and by plotting this on its reference distribution.
What is the probability of selecting someone at random from this population who has a cholesterol value less than 180? What is the mean and the standard deviation (error) of?
in a large lecture course the scores on the final examination followed the normal curve closely. the average score was
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