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Persons entering a blood bank are such that 1 in 3 have type O+ blood and 1 in 15 have type O- blood. Consider three randomly selected donors for the blood bank. Let X denote the number of donors with type O+ blood and Y denote the number with type O- blood. Find the probability distributions for X and Y. Also find the probability distribution for X + Y , the number of donors who have type O blood.
What is the probability that the auto dealer will need to order more new transmissions?
Assume a random sample of 16 gasoline stations is selected and their mean cost for regular gasoline is computed. What is the standard error of the mean in this experiment?
Express each of the following relationships in terms of probabilities or conditional probabilities relating to the population of animals.
Jill wants to do her MBA in Statistics at a B.C. university. She applies to two universities that offer post-graduate degrees in Statistics.
Assuming there is a statistically significant relationship, use the least squares method to find the regression equation to predict the advertising costs based on the number of orders received. Please use the regression procedure within Excel under T..
In a recent city meeting, it was agreed that the city was going to build a new town hall. Long-term bonds, intergovernmental transfers, and public donations will be used to construct and maintain the building. The major discussion was how to recor..
You have ordered 10 bags of cement, which are supposed to weigh 94 kg each. The average weight of the 10 bags is 93.5 kg. Calculate the condence interval in R, and write the code you used
If you have a population that has a small sample, but does not meet all of the criteria for the nonparametric test how can you tell what test to use?
Define exponential function. Give an example of such function and graph it. Discuss what are common characteristics of all exponential functions. (i.e. domain/range/intercepts/asymptotes, general behavior)
let x and y be independent exponential random variables with means 2 and 3 respectively. let zxy. determine
If the interval of time between the eruptions is normally distributed with a standard deviation of 29 minutes, what is the probability that a randomly selected time interval between eruptions is longer than 96 minutes?
Draw the complete decision tree and determine whether the product should be launched or not.
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