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If a piano has 53 white keys a nd 36 black keys and 8 keys produce a c note and you randomly play one key find the probability that it produces a c note?
Wiki User
∙ 15y ago
8/89, or aproximately 8.9%
Wiki User
∙ 15y ago
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If you randomly select a card from a deck of 52 cards what is the probability of selecting a black ace?
1/26
What is the probability as a percent of randomly selecting a white marble from a jar containing 8 black and 8 white?
50%
Imagine an ordinary deck of 52 cards if you randomly draw one card from the deck what is the probability that it is a black card?
50%
If a bag contains 4 black 6 green and 2 yellow marbles and one marble is randomly drawn what is the probability that it is not black?
There are 8 marbles that aren't black, out of a total of 12 marbles, so the probability is 8/12 or 2/3.
What is the probability of drawing two black kings from a standard deck of 52 cards?
The probability depends on:whether the cards are drawn randomly,how many cards are drawn, andwhether the cards are replaced before drawing the next card.If only 2 cards are drawn randomly, and without replacement, the probability is 0.00075 approximately.
What is the probability of getting 2 Red suits cards and 2 black suit cards selected randomly from a deck of 52?
The probability, if the cards are not replaced, is 2,535,000/6,497,400 = 0.3902 approx.
What is the probability of drawing a black 5 or a king of clubs from a standard deck of cards?
It is 5/52 for a single card, drawn randomly.
Suppose you draw a card randomly from a normal deck of cards what is the probability you will draw a black 4?
About a 3.8% chance (2 / 52 = 0.038...).
There are 8 black 4 red and 1 gold stars in a bag what is the probability of randomly selecting a black star then a gold star?
i think it would b 1 out of 12
If A box contains three black balls and four gold balls Two balls are randomly drawn in succession from the box If there is no replacement what is the probability that both balls are black?
(3/7)*(2/7)=(6/49) You have a 6 out of 49 probability.
A bag containing 4 green 6 black 7 white balls a ball is drawn at randomly probability of finding 2 red balls?
The probability is zero, because there are no red balls in the bag.
A bag contains 3 red marbles 5 blue marbles 8 yellow marbles and 4 black marbles what is the theoretical probability of randomly picking each color marble?
The theoretical probability of randomly picking each color marble is the number of color marbles you have for each color, divided by the total number of marbles. For example, the probability of selecting a red marble is 3/20.
