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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
How many black jacks in a deck if 52?
There would be two black jacks. As a fraction, there would be 1/26.
What is the probability with a single die to roll less than seven?
Pretty good. A single die has six sides and they are normally numbered 1 to 6.
Since all values are under 7, their is a 100 percent probability of rolling less than 7.
How many times will it show a 3 if you rolled a die 260 times?
The probability is about 43 times, though you cannot be certain, so there is no definitive answer.
Is addition commutative can you show me an example?
The property of addition that allows two or more addends to be added in any order without changing the sum;
a + b = b + a
Examples:
c + 4 = 4 + c
(2 + 5) + 4r = 4r + (2 + 5)
What are the chances of for the probability 2 to 5?
The chances of picking a number between 2 to 5 is 4/10 if the numbers to be picked from are 1-10. However, if the numbers to be picked from are 1-100, then the probability drops to 4/100.
Toilet rolls are sold in packs of 4 How many toilet rolls are there in 6 packs?
6 X 4 = 24 toilet rolls in 6 packs.
There can be only one permutation of a single number: so the answer is 7.
How many ways can the letters about be arranged?
The letters A B O U T can be arranged 120 different ways. This is the number of permutations of 5 things taken 5 at a time, or 5 factorial.
How many marbles did each get?
If each of three people was supposed to have the same amount of marbles, and there were nine total marbles, it is a division problem:
9/3=3 marbles each. You really need to offer more information.
When to you use a z-scores or t-scores?
T score is usually used when the sample size is below 30 and/or when the population standard deviation is unknown.
Can the probability of an outcome be greater that one?
No. The probability of an outcome (or event) is always a number between 0 and 1.
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How to decide the fairness and unfairness of a dice?
Throw is a very large number of times. If the six numbers come up approximately 1/6 number of times then it is likely that the die (not dice!) is fair. If one or more numbers comes up more often than the die is not fair. You can never be certain.
What does it mean when you pick the ace of diamonds out of a card deck?
Diamonds denote career, money and travel.
Ace of Diamonds A sparkling engagement.
You will be laying long-term foundations, building on them and enjoying the pleasant way your life develops.
Your lover may pop the question. If you are unattached, you will fall in love with someone you will meet within a week, a month, or in January.
Alternately, you may receive a wonderful business offer or letter.
What to do when somebody dies?
When someone dies there are many decisions and arrangements to make, all of which can be difficult in a time of grief. To help, we've put together this checklist to guide you through the process.
You could probably find it at your nearest Walgreens or maybe Walmart. If dice isn't there, then you could find it probably at Learning Express or a teacher store. Hope this helps!
