this is the continuation of the last question Dirty air: the federal government has enacted maximum allowable standards for air pollutants such as ozone. let X be the number of days per year that the level of air pollution exceeds the standards in a certain city. the probability of X is given by X= 0 1 2 3 4 P(x)= 0.33 0.38 0.19 0.06 0.04 4, find the probability that the standard is exceeded on more than two days 5. compute the mean MUx 6. compute the standard deviation thank you.
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!
this is the continuation of the last question
Dirty air: the federal government has enacted maximum allowable standards for air pollutants such as ozone. let X be the number of days per year that the level of air pollution exceeds the standards in a certain city. the
P(x)= 0.33 0.38 0.19 0.06 0.04
4, find the probability that the standard is exceeded on more than two days
5. compute the mean MUx
6. compute the standard deviation
thank you.
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