Homework Answers
since
there is maximum 3 rolls possible not more than that so p(x>3)
is impossible event that means probability will be zero. So the
correct option is (d) none of these
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11 Suppose that we are rolling a pair of fair dice till getting a sum of...
Let A= rolling 2 on pair of fair dice and B = getting 1 heads on...
Let A= rolling 2 on pair of fair dice and B = getting 1 heads on 3 rolls of a fair coin. Assuming the rolls of the dice are independent of the coin tosses, what is Prob (A AND B)? (round to 4 decimals)
In rolling a pair of fair dice, what is the probability that a sum of 7...
In rolling a pair of fair dice, what is the probability that a sum of 7 is rolled before a sum of 8 is rolled
3) We roll 2 fair dice. a) Find the probabilities of getting each possible sum (i.e....
3) We roll 2 fair dice. a) Find the probabilities of getting each possible sum (i.e. find Pr(2), Pr(3), . Pr(12) ) b) Find the probability of getting a sum of 3 or 4 (i.e.find Pr(3 or 4)) c) Find the probability we roll doubles (both dice show the same value). d) Find the probability that we roll a sum of 8 or doubles (both dice show the same value). e) Is it more likely that we get a sum...
(A) A pair of dice is rolled one time, what is the probability of getting sum...
(A) A pair of dice is rolled one time, what is the probability of getting sum of 8 or double. (B) A pair of dice is rolled 5 times, what is the probability of getting sum of 8 or double on all 5 rolls
Consider the experiment of rolling a pair of dice. Suppose that we are interested in the...
Consider the experiment of rolling a pair of dice. Suppose that we are interested in the sum of the face values showing on the dice. a. How many sample points are possible? (Use the counting rule for multiple-step experimwnts.) b. List the sample points. c. What is the probability of obtaining a value of 7? d. What is the probability of obtaining a value of 9 or greater?
Shandelle rolls a pair of fair dice and sums the number of spots that appear on...
Shandelle rolls a pair of fair dice and sums the number of spots that appear on the up faces. She then flips a fair coin the number times associated with the sum of the spots. For example, if she rolled a 3 and a 4, then she flips the fair coin 7 times. If the coin flipping part of the random experiment yielded an equal number of heads and tails, find the probability that she rolled an 8 on the...
Bob plays a game in which he rolls a pair of fair 6-sided dice once. He...
Bob plays a game in which he rolls a pair of fair 6-sided dice once. He adds the number of dots on both dice to create a sum. He loses $1 if he rolls a sum less than 5 doesn’t win or lose anything if he rolls a sum that is higher than 4, but less than 8 wins $1 if he rolls a sum that’s higher than 7 but less than 12 wins $2 if he rolls a sum...
The expected sum of two fair dice is 7; the variance is 35/6. Let X be...
The expected sum of two fair dice is 7; the variance is 35/6. Let X be the sum after rolling n pairs of dice. Use Chebyshey's inequality to find z such that P(|X – 7n< z) > 0.95. In 10,000 rolls of two dice there is at least a 95% chance that the sum will be between what two numbers?
Consider the procedure of rolling a pair of dice 6 times and let x be the...
Consider the procedure of rolling a pair of dice 6 times and let x be the random variable consisting of the number of times the sum of the results is 7. The following table describes the probability distribution of x. X P(X) 0 0.334898 1 ¿? 2 ¿? 3 0.053584 4 0.008038 5 0.000643 6 0.000021 a) Find the missing probabilities b) It would be unusual to roll a pair of dice six times and get at least three times...
A pair of dice is rolled. Find the probability of rolling a) The probability of rolling...
A pair of dice is rolled. Find the probability of rolling a) The probability of rolling a sum not more than 9 is (Type an integer or a simplified fraction.) a) a sum not more than 9, b) a sum not less than 6, c) a sum between 6 and 10 (exclusive).
3) We roll 2 fair dice. a) Find the probabilities of getting each possible sum (i.e. find Pr(2), Pr(3), . Pr(12) ) b) Find the probability of getting a sum of 3 or 4 (i.e.find Pr(3 or 4)) c) Find the probability we roll doubles (both dice show the same value). d) Find the probability that we roll a sum of 8 or doubles (both dice show the same value). e) Is it more likely that we get a sum...
The expected sum of two fair dice is 7; the variance is 35/6. Let X be the sum after rolling n pairs of dice. Use Chebyshey's inequality to find z such that P(|X – 7n< z) > 0.95. In 10,000 rolls of two dice there is at least a 95% chance that the sum will be between what two numbers?
A pair of dice is rolled. Find the probability of rolling a) The probability of rolling a sum not more than 9 is (Type an integer or a simplified fraction.) a) a sum not more than 9, b) a sum not less than 6, c) a sum between 6 and 10 (exclusive).
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