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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 does stringent mean?

Stringent means tightly controlled, detailed, harsh. It often carries a connotation of suspicion, particularly when used to describe looking into a person's background.

When was the spade invented?

When someone wanted to dig into hard earth.

How many permutations are there of the latters of the word numbers?

There are 7 factorial, or 5040 permutations of the letters in the word NUMBERS.

What is the probability of obtaining exactly four tails in five flips of a coin given that at least three are tails?

The probability is that the remaining two outcomes are 1 H and 1 T. The probability of that is 2/4 or 50%

The probability is that the remaining two outcomes are 1 H and 1 T. The probability of that is 2/4 or 50%

The probability is that the remaining two outcomes are 1 H and 1 T. The probability of that is 2/4 or 50%

The probability is that the remaining two outcomes are 1 H and 1 T. The probability of that is 2/4 or 50%

What is the probability that on two consecutive rolls of a die first an odd number then an even number will come up?

Alright these are two different independent trials. Therefore u take the probabilityof the first times the probability of the second so 3/6 times 3/6 and u get 9/36=1/4=.25=25%

If there are 117 blue marbles229 red marbles and 104 yellow marbleswhat percent are blue?

26 percent because

117

229

+104

_____

450 ÷ 45 =10 x 10 =100

117 ÷ 45 =2.6 x 10 = 26

26

is = to 26%

100

I rolled the dice 120 times what's the probability of getting a 6?

If you rolled a die 120 times, the probability of getting a 6 is one in six. It does not matter how many times you roll the die - the probability is still one in six - except that the long term mean will approach the theoretical value of 0.166... as the number of trials increases.

What is the probability of scoring a four on a die?

If you throw a fair die one time, the chance of a four is 1/6 or about .1667

How many ways arrange the word statistics?

The letters of the word statistics can be permuted in 10!/(3!*3!*2!) = 3,628,800/72 = 50,400 ways.

Why the normal distribution curve have extremes is opened?

Because the domain of the normal distribution is infinite - in both directions.

What is the probability of drawing an Ace or a Jack from a deck of 52 cards?

approx 15 %

Reason: There are 2 cards in each suit of 13 that are either an Ace or a Jack.

So there is a 2 out of 13 (or 8 out of 52) chance, which is 15.38% chance.

IN FRACTION AND USING PERMUTATIONS AND COMBINATIONS

total number of cases : 52C1

favorable cases : in cards there are 4 aces and 4 jacks, therefore 4+4 = 8

P (of drawing an ace or a jack) = 8/52

= 2/13

odds against this question is : 2/(13-2)

= 2/11 [ANS.]

What is probability mean?

probably means that something or which is not sure .

LIKE :- I PROBABLY GET THIS ANSWER RIGHT.

What is the most common way to die when Rolling on Ecstasy?

i seen it on the history channel and i think it is over heating your body.

What is the measure of quartile deviation?

A quartile deviation from some specified value, is the value or values such that a quarter of the observed values fall between these values and the specified value.

Usually, but not always, the specified value is the median - the value such that have the observed values are below (and above) it. In that case, one quartile values will have a quarter of the values below it and the other will have a quarter of the values above it. The quartile deviations will be the differences between median and the two quartiles just calculated.

What is the median of 2 3 5 7 11?

The median of 2 3 5 7 11 is 5, the central number.

What is the use of pascal's triangle?

we can use it in many ways, we can use it in algebra, even in our real life. you can learn the multiplication, addition, and in many triks.