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Answered 2012-11-02 21:20:33
3/7, but only if the coin is taken at random.
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What elements make up nickel coins?
In the U.S. the nickel component of coins is actually an alloy of 75% copper and 25% nickel so "nickels" are actually mostly copper! Dimes, quarters, and halves have a pure copper core with the same 75/25 alloy on the outside layers to give them a silvery appearance. Taken together that means the whole coin is around 85+ % copper. Other countries use different proportions of nickel and copper. For example, Canadian coins from the 1970s to the 1990s were pure nickel, while British 20p coins are about 80% copper.
A bag A conatins 5 dimes and 2 quarters and bag B contains 1 dime and 3 quartersIf a coin is taken from one of the two bags at random what is the probability that the coin is a quarter?
Now the 2 bags contain a total of 6 dimes and 5 quarters, which is a total of 11 coins. Therefore, the probability of getting a quarter is (5/11) which is about 0.4545.... or 45.45% as the case may be. Hope this helps
When was silver taken out of quarters?
1965. Any US quarters dated 1964 or earlier are 90% silver.
Is nickel refined?
Nickel IS refined. To refine the nickel you first make sure the nickel is extracted. Gas from the heated nickel is cooled and parts are taken out with specially designed devices for cleaning gas.
How much is the buffalo nickel with a penis worth?
The buffalo nickel with a penis made in 1913-1938, can be taken to 'most' banks and they will take the nickel, and hand you a $20 bill for every nickel you have that fits the criteria..ie: date, nickel, penis.
How many ml are in 3 quarters of a cup?
Generally, 1 US cup is taken as 236.59 ml.So 3 quarters of a cup is 177.44 ml.
What year did silver get taken out of quarters?
90% silver quarters were issued from 1794 to 1964. In 1975 & 1976 collectors coins were struck in 40% silver. Starting in 1992 90% silver quarters are in silver Proof sets.
What is the probability that if you flip a coin it will land on its edge?
Although the probability of this event is greater than zero, it is so very small that for all intents and purposes it is taken to be zero.
When was silver taken out of nickels?
The term Silver War Nickels refers to those produced by the United States Mint from mid-1942 to 1945. These nickels differ from those minted before and after World War II, as those were made from 56% copper, 35% Silver and 9% manganese.In WWII, The United States had to use 56% Copper, 35% Silver, and 9% Manganese. The dates for these 35% silver nickels are 1942(P,S) (NOT D), 1943(P,D,S), 1944(P,D,S), and 1945(P,D,S). The mint marks on these coins are located above the dome of Monticello.Contrary to popular misunderstanding, these are the only US nickels that ever contained silver. The rest are all made of an alloy of 25% nickel and 75% copper.
What is the probability density of the wave function?
See related link, In quantum mechanics, a probability amplitude is a complex number whose modulus squared represents a probability or probability density. For example, the values taken by a normalised wave function ψ are amplitudes, since |ψ(x)|2 gives the probability density at position x. Probability amplitudes may also correspond to probabilities of discrete outcomes.
Why do you think is probability used as basis for inferential statistics?
Inferential statistics are used in situations where it can be assumed that random behaviour(s), subject to the mathematical laws of probability, must be taken into account.
What is a probability model with infinite sample space?
The time taken between your posting this question and receiving a reply.
6 balls in a bag The probability of taking a red ball out of the bag is 0.5 A red ball is taken out of the bag and put to one side What is the probability of taking another red ball out of the bag?
0.4
Who saw Hitler kill himself?
No one. He was alone in his quarters in the bunker, his wife having already taken a cyanide capsule.
What does replacement mean in probability?
When the sample is drawn, it is placed back where it was taken from and if subsequent draws are made, it could be selected again.
How many ways can you arrange 50 quarters?
This question doesn't provide enough information to work on, but if it were to be taken just as it is: Considering they are all quarters, no matter how you arrange them, they would all be the same. So there is only one way.
Where did mark Antony die?
Marc Antony actually died in Cleopatra's tomb where he was taken after stabbing himself in his own quarters in the palace,
How can you tell if it's an independent variable?
The probability that it attains any particular value is not affected by the values taken by any other variables in the study.
Can odds be greater than one?
yes they can In terms of probability, one is taken to mean absolute certainty, something that must happen, equivalent to a 100% probability (100 out of 100 is equal to one). Hence, odds cannot be greater than one.
How many ml of a 0.124 m aqueous solution of nickel fluoride must be taken to obtain 4.36 grams of the salt?
The answer is 364 mL.
Probability of dealing ace king and queen of spades in that order when dealing only 3 cards?
The probability of dealing the Ace of Spades from a normal 52 card deck is 1 in 52. The probability of dealing the King of Spades next is 1 in 51. The probability of dealing the Queen of Spades next is 1 in 50.The probability of drawing those three cards in that order is the product of those probabilities, which is 1 in 132,600. This is the same as the number of permutations of N (52) things taken P (3) at a time, which is stated as N! - P! (52 * 51 * 50)If you did not care what order the cards were dealt in, but still wanted to know the probability of getting the Ace, King, and Queen of Spades, then you would be talking about the combinations of N (52) things taken P (3) at a time, which is stated as (N! - P!) / (N - P)! (52 * 51 * 50 / 3 / 2 / 1). The probability in this case is 1 in 22,100.
Why are guitar strings made of copper and nickel?
Actually, only the lower three strings of guitars contain copper or nickel. These strings are wound, meaning that a core string (usually steel) is taken, and wire (usually nickel or copper) of varying gauge, depending on the thickness of string wanted, is wound around it. The higher three are just steel wire. As for why nickel and copper are used, it's because they are cheap and sound good.
Box contains 15 pencils 4 are defective if 3 pencils are taken out what is the probability of selecting a good pen?
97% chance of selecting a good one
A sample of 66 observations will be taken an infinite population The population proportion equals 0.12 The probability that the sample proportion will be less than 0.1768 is?
.9222
What is the probability that a randomly selected car is a two door hybrid?
The answer depends on where in the world the random selection is taken since the location will determine the mix of cars that the selection is made from.
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