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question:How can I calculate the marginal CDF of a joint probability distribution function when the bounds of the variables are not explicitly given?
answer:To calculate the marginal CDF when the bounds are not given, you can infer the bounds from the support of the joint PDF. The support is the set of values for which the PDF is non-zero. By examining the PDF, you can determine the minimum and maximum values of the variables and use these as the bounds for integration when calculating the marginal CDF.
question:Explain the figurative meaning of the idiom "flash in the pan" and provide an example of its usage.
answer:The idiom "flash in the pan" figuratively describes something that experiences brief success or popularity but ultimately fails to achieve lasting significance. Example: The new restaurant generated a lot of buzz upon opening, but it turned out to be a "flash in the pan" and closed within a year.
question:Explain the meaning of {a,b}={c,d}={e,f} in the context of the proof that if three chords of equal length pass through a point inside a circle, then that point is the center of the circle.
answer:The notation {a,b}={c,d}={e,f} means that the sets of values {a,b}, {c,d}, and {e,f} are equal. In other words, the values a and b are the same as the values c and d, and also the same as the values e and f. This implies that a = c = e and b = d = f.
question:In a relational schema, each tuple is composed of fields known as what?
answer:These fields are called Domains.