The employee e-mail accounts in one company are using a mean of 1.07 gigabytes of memory with a standard deviation of 0.21 gigabytes. What will be the mean and standard deviation of the distribution of memory usage in megabytes? 1 gigabyte equals 1024 megabytes. Choose 1 answer: Mean: 1.07 megabytes Standard deviation: 0.21 megabytes Mean: 1.07 megabytes Standard deviation: 215 megabytes B. Mean: 1096 megabytes Standard deviation: 0.21 megabytes Mean: 1096 megabytes Standard deviation: 215 megabytes Do 4 prhl
Continuous Probability Distributions
Probability distributions are of two types, which are continuous probability distributions and discrete probability distributions. A continuous probability distribution contains an infinite number of values. For example, if time is infinite: you could count from 0 to a trillion seconds, billion seconds, so on indefinitely. A discrete probability distribution consists of only a countable set of possible values.
Normal Distribution
Suppose we had to design a bathroom weighing scale, how would we decide what should be the range of the weighing machine? Would we take the highest recorded human weight in history and use that as the upper limit for our weighing scale? This may not be a great idea as the sensitivity of the scale would get reduced if the range is too large. At the same time, if we keep the upper limit too low, it may not be usable for a large percentage of the population!
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