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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 do you solve probability with a mean?

You cannot solve probability since it is not a question! It is like asking how you can solve history!

What is the formula for sample size determination by mugenda and mugenda 2003?

The formula for sample size determination by Mugenda and Mugenda (2003) is typically based on the following formula for estimating sample size in a population:

n = (Z^2 * p * q) / E^2

where:
n = required sample size
Z = Z-score corresponding to the desired confidence level
p = estimated proportion of the population with the attribute of interest
q = 1 - p
E = desired margin of error

How many times does 6 go into 170?

To find out how many times 6 goes into 170, you divide 170 by 6. The quotient is 28 with a remainder of 2. Therefore, 6 goes into 170 28 times evenly.

How many different arrangements can be formed using the letters in the word ABSOLUTE if each letter is used only once?

That's eight letters, so: 8! = 40320 different arrangements.

n! means "factorial", and the expression expands to n*(n - 1)*(n - 2) ... * 2 * 1

If you pull a card out a deck it will be red?

First of all, you have bad grammar.Second of all, you

can't be sure unless you only have one card in your deck.

What is the probability of getting heads only once if a fair coin is tossed 4 times?

There is 24 or 16 outcomes. There is 4 ways to get heads once (HTTT & THTT & TTHT & TTTH). So, the probability of getting heads only once if a fair coin is tossed 4 times is 4/16 or 1/4.

What is 12 times 19?

By Long Multiplication

19

x12


190

38


228

====_

What are the chances of rolling an even number on a six sided dice?

Since there are 1,2,3,4,5 & 6. number on six faces on a die/

Of these number, 2,4 & 6 are even/

Hence

P(even) = 3/6 = 1/2 = 0.5

What are your chances of winning craps?

You will probably not like this answer but it is simple. The odds in craps, and other casino games, are set in favor of the casino. Simply put, that means the longer you play, the more certain it is you will lose. If it were otherwise, the casino industry would not be making the phenomenal sums of money it makes each year. But, since you asked, the bets in craps having the smallest casino advantage are the "Pass Line, Come, Don't Pass, and Don't Come" bets. The house advantage on these bets is 1.41%. This advantage can be reduced further by making a "behind the line" wager. If you make a "behind the line" wager and you win, then you get paid "true odds" on the amount you bet "behind the line" and "house odds" for your original wager. Even though 1.41% may sound small, remember the casino is constantly grinding that percent of your money away from you, over and over again, as you remain at the craps table. Contrary to common belief, casinos do not make their money from losing bets, they make it from winning bets. Their money comes from the fact that, instead of paying true odds on a winning bet, they pay less than true odds. For example, in craps the true odds on the "any seven" bet are 5 to 1 but casinos only pay 4 to 1 on this bet. The difference between the two is how they make their money.

Are Brittany and Cynthia Daniel identical twins or fraternal twins because they look a bit different from one another?

Brittany and Cynthia Daniel are identical twins. Even though they may appear to look slightly different due to factors such as hairstyles, makeup, and individual characteristics, they share identical DNA as they originated from the same fertilized egg.

Out of 60 flips how many times does a coin land on heads?

The reason that coin-flipping came to be used as a fair mechanism for making decisions is that the chance of either outcome is assumed to be 50%, so each participant is willing to trust the fate of his personal preference to the supposedly unbiased coin.

In reality, since the material in a coin is not symmetrically distributed, the probability of the two possible outcomes is not exactly equal, though I don't remember which way it leans statistically.

In any case, let's say that you have a fair, honest, balanced coin, with odds of exactly 50-50. That tells you that if you flipped the coin an infinite number of times, half would land on heads and half would land on tails. You still could not predict what the outcome of 60 flips would be. Even if the first 59 all landed on heads, the probability on the 60th toss would still be 50-50.

Are fraternal twins technically clones?

No, fraternal twins are not clones. Fraternal twins occur when two separate eggs are fertilized by two separate sperm, resulting in two genetically unique individuals. Clones are genetically identical individuals created through asexual reproduction or artificial techniques like somatic cell nuclear transfer.

Why must you arbitrarily use 90 percent of probability of finding an electron in the region?

The 90 percent probability is commonly used to define the boundaries of electron orbitals because it encompasses most of the electron's possible locations within a particular energy level. It provides a clear and practical way to visualize the regions where electrons are most likely to be found in an atom.

What is the difference between control samples and test experimental samples?

It calculates the difference between each set of pairs, and analyzes that list of differences. The P value answersthis question: If the median difference in the ... If your samples are small and there are no tied ranks, Prism calculates an ... The whole point of using a paired test is to control for experimental.

In Star Wars episode 6 the odds of successfully navigating an asteroid field are 3720 to 1 Arent those incredibly GOOD odds?

In the context of the movie, the odds of 3720 to 1 are considered high because they indicate a low probability of success. Han Solo is highlighting the difficulty and danger of navigating an asteroid field to emphasize his piloting skills. So, in this case, the odds are not considered good.

When will silver be removed from the periodic table of elements?

Silver will not be removed from the periodic table of elements as it is a naturally occurring element with atomic number 47. The periodic table is a comprehensive chart that organizes all known elements based on their properties and atomic structure.

What are the odds of being both stuck by lightning and hitting a hole in one in golf?

These are independent events, so the probability of both of them happening would be the probability of one multiplied by the probability of the other. According to insurance odds, the probability of an average golfer getting a hole in one in any given round is 1/3,125. The probability of being struck by lightning is 1/576,000. Thus the probability of both of these things happening is 1/(3,125 x 576,000) = 1/1,800,000,000 or one in 1.8 billion.

How Do Fraternal Twins Occur and Identical Twins Occur?

Fraternal twins (dizygotic twins) are simply two fertilized eggs that are implanted in the uterus at the same time. Identical twins (monozygotic twins) is one fertilized egg that separates into two embryos. In most cases, identical twins share one placenta, but have separate amniotic sacs. In some cases, they have two placentas. In rare cases, they share both the placenta and the amniotic sac.

A model that helps explain the results of Mendel's crosses is called a?

Punnett square. It is a tool used to predict the genotypes and phenotypes of offspring in a genetic cross. By combining the possible alleles from each parent, the Punnett square shows the potential genetic outcomes of their mating.

Does fossils form from soft parts or hard parts?

Fossils can form from both soft parts and hard parts of organisms. Soft parts can become fossilized through processes like carbonization or preservation in amber, while hard parts like bones or shells can undergo mineralization or replacement to become fossils.