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A hat contains one red marble and one blue marble and one yellow marble and one green marble If two are selected at random without replacement what is the probability that neither is yellow?
1/2
In a bag of 25 marble's 7 are blue 4 are green 8 are red and the rest are yellow what is the ratio of blue marble's to yellow marble's?
25 marbles = 7 blue + 4 green + 8 red + 6 yellow The ratio of blue to yellow marbles is 7:6
Jan has 4 blues marbles 3 red marbles 2 yellow marbles in a bag Jan will randomly pick one marble from the bag What is the probability that the marble will be yellow?
2/9
If you had 10 red marbles 5 blue marbles 2 yellow marbles 1 yellow marble and rolled a 10 sided die What is the probability of getting 1 yellow marble and a 10?
Note:In listing the contents of the marble jar, you mentioned yellow marbles twice ..."2 yellow marbles" and "1 yellow marble". We'll assume there are 3 yellow marbles.Also note:You didn't actually say that the numbers 1 through 10 are printed on the 10 sidesof the 10-sided die. We'll assume that they are.Also note:You didn't actually say that we select a marble at the same time that we toss the10-sided die. We'll assume that we're supposed to do that.Now that we've done the proof-reading and cleaned up the question, we can go aheadand answer it:The probability of rolling a 10 with the 10-sided die is 1 out of 10 = 0.1 .There are 18 marbles total in the jar, and 3 of them are yellow. The probability ofdrawing one yellow marble out of the jar is (3/18) = 1/6 .The probability of drawing 1 yellow marble and rolling a 10 on the die is(1/6) x (0.1) = 12/3%
What colour will you be able to pick out of 1 red marble 2 blue marbles 2 green marbles and 3 yellow marble?
Red, blue, green or yellow.Red, blue, green or yellow.Red, blue, green or yellow.Red, blue, green or yellow.
