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Q: A 3 ft by 5 ft wooden board has three equally sized circles cut out of it A penny will be randomly tossed onto the board What is the probability the penny will fall through any of the holes?
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The digits 1 through 9 are randomly arranged to make a number What is the probability that the resulting number is divisible by 18?

The answer is 4/9 or 44.444... % Any permutation of the digits 1 to 9 will be divisible by 9. So divisibility by 18 depends only on whether or not the last digit is even. If the last digit is 2, 4, 6 or 8 the number is divisible by 18 and if it is 1, 3, 5, 7 or 9 it is not. So 4 favourable outcomes out of 9 ie probability = 4/9.


How many circles can passes through three non-collinear points?

Exactly one. No more and no less.


What is the probability of rolling an even number on a number cube labeled 1 through 6?

1/2 - you have a 50-50 chance of rolling an even number (or an odd number for that matter !)


How do you get a perpendicular line?

To make perpendicular lines, draw a horizontal line. Then using a compass or tracing around the edge of a curved object, draw one circle ( or just a semi-circle) so that it crosses the horizontal straight line in at least one point. Now rotate the compass or move the curved object to draw another circle (or semi-circle). This second circle (or semi-circle) must cross through the horizontal straight line as the first one did. It also must cross through the first circle (or semi-circle) at two points- above the horizontal straight line and below the horizontal straight line. Next, draw a straight line from where the two circles (or semi-circles) meet above the horizontal straight line through to where they meet below the horizontal straight line. You now have a line perpendicular to the first line.


Differentiate and explain the difference between insanity and madness?

Mad is the old English term for Mentally disturbed. For example, if you were in England, and you decided to randomly run naked through the town square, they would say that you were "Mad!!" If you were to do that in, say, New York city, perhaps? They would say that you were, "Insane!". However, there is no difference between the two, they have the same meaning.

Related questions

What is the probability of a prime number being picked randomly from the numbers 1 through 49?

There are 15 primes from 1 to 49 (including '1').The probability is (15/49) = 30.612 %(rounded)


What is the theoretical probability of getting a prime number if you randomly pick a number from 20 through 39?

There are 20 numbers from 20 through 39, and 4 of them are prime (23, 29, 31, 37), the probability is 4 in 20 or 0.20.


What is the probability of spinning a multiple of 3 on a spinner labled 1 through 10?

If each of the numbers on the spinner is equally likely, then the answer is 0.3


Why is experimental probability called experimental probability?

Because it is the process of deriving probability through repeated experiments.


Can you give me a example of a sentence using the word randomly?

The names were chosen randomly out of a hat.She sprinkled salt randomly over the icy driveway.The dandelions are scattered randomly through the field.The coach chose the players randomly and not according to skill level.


What is the definition of an event that has a probability of 1?

It's the probability that I will take another breath of air, or the probability that tomorrow will come, or the probability that the moon will go through all its phases for the next month.


After randomly polarized light passes through a polarizer it is?

Totally polarized.


What is the probability of winning a lottery in which you choose 4 numbers from the numbers 1 through 17?

The probability is 17C4 = 2380


When you drive to work the probability that you are stopped at traffic lights is 0.65 What is the probability that you can drive straight through?

0.35.


What is the probability of landing on number 4 if you spun a spinner numbered 1 through 4?

The probability is one in four, or 25%.


What is the probability that two presidents will have the same birthday?

The probability, over presidents of all organisations, through all of time, is 1.


What can you do to get the experimental probability to be closer to the theoretical probability?

The experimental probability is figured out when a person goes through the trouble of actually trying it out. Theoretical probability is when a person comes to a conclusion of what is most likely, based off of the experiment results.