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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

If you had 10 red marbles 5 blue marbles 2 yellow marbles 1 yellow marble and rolled a 10 sided die What is the probability of getting 1 yellow marble and a 10?

Note:

In listing the contents of the marble jar, you mentioned yellow marbles twice ...

"2 yellow marbles" and "1 yellow marble". We'll assume there are 3 yellow marbles.

Also note:

You didn't actually say that the numbers 1 through 10 are printed on the 10 sides

of the 10-sided die. We'll assume that they are.

Also note:

You didn't actually say that we select a marble at the same time that we toss the

10-sided die. We'll assume that we're supposed to do that.

Now that we've done the proof-reading and cleaned up the question, we can go ahead

and answer it:

The probability of rolling a 10 with the 10-sided die is 1 out of 10 = 0.1 .

There are 18 marbles total in the jar, and 3 of them are yellow. The probability of

drawing one yellow marble out of the jar is (3/18) = 1/6 .

The probability of drawing 1 yellow marble and rolling a 10 on the die is

(1/6) x (0.1) = 12/3%

What is the chance of drawing a heart in a standard deck of cards?

The probability is 12/52 or 1/4 since 12 of the 52 cards are hearts.

When you boil something what happens?

A chemical change occurs when you boil something. Also, evaporation can occur when it gets hot enough.

Explain in detail the three possible outcomes that may result from this research?

The question is very poorly specified so this answer is simply a wild guess at what the questioner might want.

Three possible outcomes of any research, designed to test some hypothesis, are:

(a) evidence in support of the hypothesis;

(b) evidence disproving the hypothesis; or

(c) evidence that can neither prove (support) nor disprove the hypothesis.

How is using survey one way to determine experimental probability?

is bye it must be an even # of people but ramdom people so its fair cause other people do like differnt thing so pike pepole who are different

Distinguish between selective distribution and exclusive distribution?

Selective distribution involves a producer using a limited number of outlets in a geographical area to sell products. An advantage of this approach is that the producer can choose the most appropriate or best-performing outlets and focus effort (e.g. training) on them. Selective distribution works best when consumers are prepared to "shop around" - in other words - they have a preference for a particular brand or price and will search out the outlets that supply.

Exclusive distribution is an extreme form of selective distribution in which only one wholesaler, retailer or distributor is used in a specific geographical area.

Is There no relationship between the number of occurrences of a particular type of event and the size of such events?

There is.

According to Benford's law the probability that the leading digit of a measure is x is approximately

log10(1 + 1/x)

The law appears in nature: lengths of rivers, heights of mountain peaks and so on. This suggests that small events are much more likely than larger ones.

For more on Benford's law, see the link.

What sum of money is to be divided among 3 men in the ratio 3 4 5 so that the third man receives Rs 10 only?

Go with options...a.56 b.86 c.24 d.120 now i choose 24...ratio is 3:4:5..divide 24 by 3, 4 and 5,,, by these third man will get 10 rs..so the ans is 24

A six-sided number cube is rolled three times. What is the probability of rolling a 4 all three times?

Assuming the die is a standard die with a different number from the set {1, 2, 3, 4, 5, 6} on each side, then:

Probability_of_success = number_of_ways_of_success/total_number_of_outcomes

There is only 1 way to roll a 4 and there are 6 possible outcomes, therefore the probability of rolling a 4 is 1/6

The die has no knowledge of previous rolls; each roll is independent, thus:

The probability of three fours is a row is the probability of a 4 times the probability of a 4 times the probability of a 4, which is:

Probability = 1/6 × 1/6 × 1/6 = 1/216

Fair space of two dice?

The sample space of 2 dice is 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12.

In how many ways can you draw a club or face card from a deck of cards?

If the card is drawn at random, there are 25 ways (counting Aces as face cards).

What is events that have the same probability?

They are "events that have the same probability". Nothing more, nothing less.