If a fair die is rolled twice and two numbers X = result of the first roll and X2= result of the second roll are obtained. Given that X1 +X2 = 7, what is the probability that X1 = 4 or X2 = 4?

Q: Suppose a jar contains 12 red marbles and 30 blue marbles. If you reach in the jar and pull out 2…

A: Solution: From the given information, a jar contains 12 red marbles and 30 blue marbles. Total…

Q: Suppose a jar contains 14 red marbles and 20 blue marbles. If you reach in the jar and pull out 2…

A: Given, no of red marbles=14 no of blue marbles=20 Total marbles=34 P(both are red.)=?

Q: A bag contains 10 red pens and 5 blue pens. If a student picks 2 pens from the bag, find the…

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Q: Suppose a jar contains 5 red marbles and 31 blue marbles. If you reach in the jar and pull out 2…

A: Solution

Q: A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double…

A: There there are n Blue balls. So total balls = n+5 Probability of selecting red balls, P(R)= 5/(n+5)…

Q: A bag contains 3 yellow and 5 black balls. If 2 balls are drawn in succession without replacement,…

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Q: If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that…

A: Total number of red marbles = 18 Total number of blue marbles = 26 Total number of marbles = 18+26 =…

Q: Suppose a jar contains 17 red marbles and 32 blue marbles. If you reach in the jar and pull out 2…

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Q: Suppose a jar contains 15 red marbles and 27 blue marbles. If you reach in the jar and pull out 2…

A: 15 red marbles27 blue marblesThe total number of marbles in the jar is 15 + 27 = 42

Q: Suppose a jar contains 5 red marbles and 11 blue marbles. If you reach in the jar and pull out 2…

A: Given that  The jar contains  Red marbles = 5 Blue marbles = 11 Total marbles = 5 + 11 = 16   We…

Q: Suppose a jar contains 648 red marbles and 292 blue marbles.  If you reach in the jar and pull out 2…

A: A jar contains 648 red marbles and 292 blue marbles, there are totally 940 marbles. Two marbles are…

Q: If you roll a die twice, what is the probability that you get two sixes in a row?

A: Obtain the probability that you get two sixes in a row. The probability that you get two sixes in a…

Q: Three balls are selected randomly from a bag containing 4 red balls and 7 blue ones. Find the…

A: From the provided information, Red balls = 4 Blue balls = 7 Total balls = 11

Q: Suppose a jar contains 6 red marbles and 25 blue marbles. If you reach in the jar and pull out 2…

A: There are 6 red and 25 blue marbles to find probability that both are red.

Q: Suppose a jar contains 15 red marbles and 21 blue marbles. If you reach in the jar and pull out 2…

A: From the information, there are 15 red marbles and 21 blue marbles. Two marbles at random at the…

Q: Suppose a jar contains 20 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

A: Givena jar containsNo.of red marbles=20No.of blue marbles=35Total no.of marbles=55

Q: Suppose a jar contains 8 red marbles and 10 blue marbles. If you reach in the jar and pull out 2…

A: A jar contains 8 red marbles and 10 blue marbles, Total number of marbles in the jar= 8+10=18

Q: bag contains 4 white and 3 black balls. Two draws of 2 balls are successively made. Find the…

A: Probability of getting 2 white balls from the bag will be:

Q: A tennis match of best of 5 sets is played by two players and B. The probability that first set is…

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Q: When a single die is tossed, what is the probability of getting a number that is a multiple of 2?

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Q: Ali went to play a lucky game . If 135 tickets of this lucky game were sold and the probability of…

A: Given, n(s) = 135 P(A) = 1/9 n(A) = ?

Q: Suppose you have 5 marbles in a bag: 3 red and 2 black. If you reach into the bag without looking…

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Q: Suppose a jar contains 5 red marbles and 40 blue marbles. If you reach in the jar and pull out 2…

A: A jar contain 5 red and 40 blue marbles Total number of marbles is 5+40 =45. The first red marble…

Q: Suppose a jar contains 20 red marbles and 21 blue marbles. If you reach in the jar and pull out 2…

A: Given: Number of red marbles = 20 Number of blue marbles = 21