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probability - What is the difference between independent and mutually . . . After reading the answers above I still could not understand clearly the difference between mutually exclusive AND independent events I found a nice answer from Dr Pete posted on math forum So I attach it here so that op and many other confused guys like me could save some of their time If two events A and B are independent a real-life example is the following Consider a fair coin and a
Is zero positive or negative? - Mathematics Stack Exchange Some people (like me) might be looking for specific domains where people are concerned about the positivity of zero A reasonable place to start is to search "strictly positive" or "strictly negative" in your favorite academic search engine Those terms are used when there must be no ambiguity in whether or not a set of positive or negative numbers includes zero I'd like criticisms of that
probability - What is the expected number of times a dice has to be . . . The formula is proved in the link given by Byron I'll just try to give you my intuition regarding the formula The chance of rolling 6 on two dice is $1 36$ So if you think of rolling two dice at once as one trial, it would take an average of $36$ trials However, in this case you are rolling 1 die at a time, and you look at two consecutive rolls The average number of trials to see the
Difference between variables, parameters and constants I believe the following 4 questions I have, are all related to eachother Question 1: Of course I've been using constants, variables and parameters for a long time, but I sometimes get confused wit
What is $\gcd (0,0)$? - Mathematics Stack Exchange What is the greatest common divisor of $0$ and $0$? On the one hand, Wolfram Alpha says that it is $0$; on the other hand, it also claims that $100$ divides $0$, so $100$ should be a greater common