Probability of the occurrence of an event
The probability of the occurrence of an event in each performance of an experiment is 0.2. The experiments are carried out successively until the given event occurs.
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The number of smart phones sold by a cell phone service provider per month is normally distributed with mean 300 and standard deviation of 40.
For a five-year moving average, how many values will be lost at the beginning and end of the time series?
To calculate monthly typical seasonal indexes, after computing the ratio-to-moving averages, the averages must be:
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