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Using a weekend's football results from the Premier (or other) league, see ifthe number of goals per game can be adequately modelled by a Poisson process. Firstcalculate the average number of goals per game for the whole league, then derive thedistribution of goals per game using the Poisson distribution. Do the actual numbers of goals per game follow this distribution? You might want to take several weeks' results toobtain more reliable results.
below you are given actual values of a time series and the first two values of the exponential smoothing forecast. if
a las vegas roulette wheel contains 38 numbers 1-36 plus 0 and 00. the numbers 0 and 00 are colored green. the odd
If both of these problems are present, the car is a "hazard." Your instructor pur- chased one of these cars yesterday. What is the probability it is: A lemon and A hazard?
Consider the many possible distributions of grades on a quiz in a statistics class; imagine that the grades could range from 0 to 100.
A researcher is testing the effect of a new cold and flu medication on reaction time. A sample of n = 9 students is obtained and each student is given the normal dose of the medicine.
Furnish 2 offices each with a desk, chair, and file cabinet and 2 bookcases. At a local store there are 6 models of desks, 8 models of chairs 4 models of file cabinets and 10 models of bookcases.
Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles traveled during the year followed the normal distribution. The mean of the distribution was 60..
Draw the graph for the distribution of these data and label it both in terms of raw scores and z-scores. Identify the percentage of students who scored in the following ranges of raw scores:
Out to right, create a 90% confidence interval estimate of sigma (σ), population standard deviation.
seven persons are staying at a hotel. the hotel has twenty-five floors each with the same number of rooms. each of the
Confidence interval for the average weight of a nickel. How many nickels does he need to weigh to obtain an average accurate to within 10 milligrams?
suppose you and a friend are betting on a horse race involving four horses. you can win money in one of the following
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