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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

Is it possible to toss a coin 20 times and have it land heads up 20 times?

Yes. The probability of this occurring is 0.520 = 0.00000095367 or 1 in 1,048,576 thus you are more likely to do this than win the lottery

How who you make a 10 unit perimeter using 4 squares?

Check out the link. Any of those shapes, except the square, works.

A set of outcomes are called what?

A set of outcomes are called results. All possible outcomes are referred to as the sample space.

Was the outcome of getting heads or tails in the 20 tosses same as the probability ratio?

It depends on what variable the probability ratio was for! The random variable could have been the number of heads minus the number of tails, for example.

If you are on a moving train and you toss a coin where does the coin land?

This sounds like a joke question. If you toss a coin in a train, it lands in the train. If you toss it out the window, or otherwise off the train, it lands on whatever is out there.

On the other hand, assuming this is not a joke, the coin will land where it would if you tossed it if the train were stationary. In other words, the coin is moving at the same velocity as the train before the coin toss, and since that part of its momentum is preserved through the toss, it will land, relative to the train, in the same place. This assumes, of course, that the train is not changing speed during the coin toss, that the windows are not admitting a wind, and so on.

What does less likely than not mean?

Less likely means that it has more of a chance not to happen.

What is two sixth simplefied?

1/3 of course. If it's not one third, what is it?

How many possible outcomes are there on the spinner?

To determine the number of possible outcomes on a spinner, you need to know how many distinct sections or segments the spinner has. Each segment represents a different possible outcome. For example, if a spinner is divided into 8 equal sections, there are 8 possible outcomes. If you provide more details about the spinner, I can give a more specific answer.

How can you be sure of getting the expected 50 to 50 ratio from flipping a coin?

You can't be sure to get the 50/50 ratio of heads and tails. Each time will be a trial & error.

How many dice combinations total less than 8 2 6sided dice?

With 2 6-sided dices there are 6x6=36 combinations (6 for the first dice, 6 for the second dice)

Let put the question this other way: how many combinations with a total more than 8, namely 9, 10, 11 or 12 ?

9: 4 combinations: 4-5 or 5-4 or 6-3 or 3-6

10: 3 combination: 5-5 or 6-4 or 4-6

11: 2 combinations: 6-5 or 5-6

12: 1 combination: 6-6

So there are 10 combinations for "more than 9" thus there are 36-10=26 combinations for "less or equal to 8".

What involves the likelihood of increasing behavior?

The likelihood of increasing behavior is often associated with reinforcement, which can be positive or negative. Positive reinforcement involves providing a rewarding stimulus after a desired behavior, increasing the chances of that behavior being repeated. Negative reinforcement entails the removal of an unpleasant stimulus when the desired behavior occurs, also promoting its recurrence. Both forms of reinforcement play a crucial role in shaping and enhancing behavior in various contexts, such as education and behavior modification.

If there are 14 white marbles and 28 red marbles what is the probability that you would pick a white marble?

14/42. You have to add the amount of marbles and then put the probabilityof answers you're looking for.

Ex:

14 white marbles

28 red marbles

14+28=42

?/42

your looking for the probability of white marbles, so you put in the amount of white marbles on the fraction.

=14/42

What is the probablity that you will pull a king or a heart?

16/52 because there are 13 hearts and 4 kings but one of the kings is a heart. and there are 52 cards in one full deck.

What is your initial velocity if you traveled 25 miles in 2 minutes and your final velocity is 0 mile per hour?

If you traveled 25 miles in 2 minutes, your average speed was 25 miles per 2 minutes or 750 miles per hour. If your rate of deceleration was constant, your initial speed was two times 750 miles per hour or 1500 mph.

I do not have enough information to determine your initial velocity because I don't know what direction you were going, and velocity is speed with direction.

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