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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 is rate of return on 30 percent probability and 12 percent returns?

It is 0.30*0.12 = 0.036 or 3.6%

It is 0.30*0.12 = 0.036 or 3.6%

It is 0.30*0.12 = 0.036 or 3.6%

It is 0.30*0.12 = 0.036 or 3.6%

What are the chances of an acorn falling on your head?

The chances of an acorn falling on your head can be calculated using basic principles of physics and probability. Factors such as the height of the tree, the density of acorns in the area, wind speed, and the size of the canopy all play a role in determining the likelihood of an acorn falling on your head. Without specific data on these variables, it is difficult to provide an exact probability, but it is generally considered a rare occurrence in everyday situations.

What is the probability of selecting a ten or a jack?

In a standard deck of 52 playing cards, there are 4 tens and 4 jacks, making a total of 8 favorable outcomes. To find the probability of selecting either a ten or a jack, you divide the number of favorable outcomes (8) by the total number of possible outcomes (52). Therefore, the probability is ( \frac{8}{52} ), which simplifies to ( \frac{2}{13} ).

In probability a trial where you dont know the outcome?

Oh, dude, that's like when you're rolling a dice and you're all, "Who knows what's gonna happen?" It's called an "experiment" in probability lingo. So, yeah, it's basically like a surprise party for numbers.

What could the acronym 'TULIP' mean in a maths sense - my probability lecturer keeps using it?

Well, isn't that just a happy little coincidence! In probability, the acronym TULIP often refers to the five basic components of a probability problem: Total number of outcomes, Unfavorable outcomes, Likelihood, Independent events, and Probability. Your lecturer is just helping you break down probability problems into manageable parts, like painting a beautiful landscape one brushstroke at a time. Just remember, there are no mistakes, only happy little probabilities waiting to be solved.

Can a dice roll and slide?

A dice can roll but cannot slide. Rolling involves rotating around an axis while moving forward, typically on a flat surface. Sliding, on the other hand, involves moving without rotation, which is not possible for a dice due to its shape and lack of flat sides that would allow for smooth sliding.

What is the probability to giving birth to 5 girls in a row?

The gender of a child is not random. It is determined by the parents' chromosomes and so the answer depends on whether they have a propensity for male or female offspring. Furthermore, this propensity changes as the parents age. So it is not as simple a question as it might first seem.

However, if you assume that the probability of a girl is 1/2, and remains 1/2, then the answer is (1/2)5 = 1/32 = 3.125%. Of course, many families stop before they reach 5 children!

What words has the z sound but starts with an x?

One word that has the "z" sound but starts with an "x" is "xylophone." The letter "x" is pronounced as a "z" sound in this word due to its Greek origin. The "xy" combination is commonly used in words borrowed from Greek, where "x" is pronounced as a "z" or "ks" sound.

Explain why estimating before you divide 624 by 6 helps you place the first digit in the quotient?

b/c by rounding 624 down to 600, you know that 600 divided by 6 is 100, so the first digit will probably be a 1

Jasmine has 50 marbles in a bag. 20 percent of the marbles are blue. How many marbles are blue?

20% of 50 marbles is 1 fifth of the marbles in the bag. so 50 marbles divided by 5 =10 blue marbles

13 cards are drawn simultaneously from a pack of 52 cardsif aces count 1face cards 10 and other according to denominationfind the expectation of the total score on 13 cards?

Well, honey, let's break it down. You've got 13 cards drawn from a 52-card deck, with different values assigned to aces, face cards, and the rest. Calculate the expectation by multiplying the probability of each card value by its corresponding score, then sum them all up. It's just a fancy way of saying you're gonna average out the possible scores based on the probabilities. Math can be a real hoot sometimes, can't it?

When you rearrange RATCHET what word will you get and the clue is to talk quickly in a foolish way?

When you rearrange the letters in RATCHET, you get the word CHATTER, which means to talk quickly in a foolish way. The word CHATTER is derived from the root word CHAT, meaning informal conversation. In this context, the word CHATTER implies rapid and often meaningless speech.

At a large University a simple random sample of 5 female professors is selected and a simple random sample of 10 male professors is selected The two samples are combined to give an overall sample of?

at a large university a simple random sample of 5 female proffesors is seleted and a simple random sample of 10 male professors is selected. the two samples are combine to give an overall sample of 15 professor. the overall sample is?

What is the probability of an selectin of a white ball from a box with 5 white balls 8 red balls and 10 yellow balls?

Oh, dude, let me break it down for you. So, the probability of selecting a white ball from that colorful box is simply the number of white balls divided by the total number of balls in the box. In this case, there are 5 white balls out of a total of 5 white + 8 red + 10 yellow balls. So, the probability is 5/23. Easy peasy, lemon squeezy!

What is the probability of picking king or a 7 in deck of cards?

Well, honey, if you're talking about a standard 52-card deck, there are 4 kings and 4 sevens in the deck. So, that's a total of 8 cards out of 52 that are either a king or a seven. To find the probability, you just divide the number of favorable outcomes by the total number of outcomes. So, 8/52 simplifies down to 2/13. Hope that helps, sugar!

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.

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