1.) Classify the following random variable according to whether it is discrete or continuous in parts a-d below a. The speed of a car on a Boston Tollway during rush hour traffic A) discrete B) continuous b. The number of phone calls to the police department on any given day A) discrete B) continuous c. The low temperature in degrees Fahrenheit on January 1st in Cheyenne, Wyoming A) discrete B) continuous d. The age of the oldest employee in the data processing department A) discrete B) continuous
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!
1.) Classify the following random variable according to whether it is discrete or continuous in parts a-d below
a. The speed of a car on a Boston Tollway during rush hour traffic
A) discrete B) continuous
b. The number of phone calls to the police department on any given day
A) discrete B) continuous
c. The low temperature in degrees Fahrenheit on January 1st in Cheyenne, Wyoming
A) discrete B) continuous
d. The age of the oldest employee in the data processing department
A) discrete B) continuous
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