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Probability
The probability of a certain event is a number expressing the likelihood that a specific event will occur, expressed as the ratio of the number of actual occurrences to the number of possible occurrences. In mathematics, it is a measure of how often an event will happen and is the basis of statistics.
14,643 Questions
What are the chances of rolling a seven with 2 dices 2 times?
If they are normal cubes, the probability is 1, if you roll them often enough.
Does a correlation imply that one event causes the other event to occur?
Absolutely not! This is, unfortunately, a very common mistake.
For example, my age is pretty well correlated with the number of TV sets in the world. But my growing old does not make or sell TVs and the number of TVs in the world does not age me.
How many 2 letter arrangements are possible from 26 letters if no letter can be repeated?
Any 2 from 26 = 26 x 25 = 650 if ab and ba are regarded as separate, otherwise 325.
What is the Disadvantage of means deviation?
The disadvantage is that the mean deviation of a set of data is always zero and so does not provide any useful information.
When You roll 1 die Find Pthe number rolled is odd?
Number of possible outcomes = 6
Number of outcomes that are odd numbers = 3
P = 3/6 = 50% .
How do you figure out what the probability of rolling a three and then a four using a standard dice?
If you keep rolling the die, the probability is 1.
If you require a 3 and a 4 in the first two rolls, the answer is (1/6)*(1/6) = 1/36
How many different ways can the letters of the word judge?
If your asking how they can be rearranged then...
There are 5 letters. 5 can go in the first spot then 4 in the second and 3 in the third 2 in the fourth spot and 1 in the fifth. 5*4*3*2*1 = 120
What are the odds of having a baby born with 3 extremely rare diseases?
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How does increasing the sample size affect the sample error of the mean?
It should reduce the sample error.
Can you trace three paths from each ship that connect at each of the different letters of the SOS?
The letter O is a c ircle, and therefore has no "end".
It is 1/5.
What is the definition of simulation in math?
It is using a computer (or some other automated process) to calculate the outcomes of a large number of repeated trials of an experiment - rather than doing the experiment a large number of times.
For example, instead of tossing a coin a million times - which would take a long time - I could get my computer to generate a million random digits. Then if the digit is even I call it Heads and if odd I call it Tails. Task accomplished in seconds!
Why is it rare to have the experimental and theoretical probabilities be the same?
Because multiple experiments can be tried to prove just one theory. When humans get involved there are a multitude of factors that sometimes can't and don't get taken into account as well.
