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:
Dr. Krol discovered that eating second type of meat third was most dangerous. How many combinations would lead to outcome? Write them.
Estimate the process standard deviation. Set up and apply an EWMA control chart to the data usig lambda = 01 and L = 27
Can you determine the interval having positive root such that, if we begin with the initial guess in that interval, convergence will be guaranteed utilizing Newton's mehod?
The management of the National Private Security Coporation recently conducted a survey of 435 of its employees to determine the average number of hours that each employee sleeps at night.
The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces. What is the probability that a randomly selected item will weigh more than 10 ounces?
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