Question

6. (5) Rolling two four-sided dice, what's the likelihood of getting the same sum twice in a row? 7. (5) Rolling three four-sided dice, what is the probability of totaling at least 9? 8. (5) Rolling three four-sided dice twice, what is the expected total? 9. (5) Rolling three four-sided dice twice, what is the probability of actually getting exactly the expected total from question 8? 10. (10) Rolling three four-sided dice twice, what is the probability of the second total being larger than the first?

          6. (5) Rolling two four-sided dice, what's the likelihood of getting the same sum twice in a row?
7. (5) Rolling three four-sided dice, what is the probability of totaling at least 9?
8. (5) Rolling three four-sided dice twice, what is the expected total?
9. (5) Rolling three four-sided dice twice, what is the probability of actually getting exactly the expected total from question 8?
10. (10) Rolling three four-sided dice twice, what is the probability of the second total being larger than the first?
        
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6. (5) Rolling two four-sided dice, what's the likelihood of getting the same sum twice in a row?
7. (5) Rolling three four-sided dice, what is the probability of totaling at least 9?
8. (5) Rolling three four-sided dice twice, what is the expected total?
9. (5) Rolling three four-sided dice twice, what is the probability of actually getting exactly the expected total from question 8?
10. (10) Rolling three four-sided dice twice, what is the probability of the second total being larger than the first?

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Elementary Statistics a Step by Step Approach
Elementary Statistics a Step by Step Approach
Allan G. Bluman 9th Edition
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6. (5) Rolling two four-sided dice, what's the likelihood of getting the same sum twice in a row? 7. (5) Rolling three four-sided dice, what is the probability of totaling at least 9? 8. (5) Rolling three four-sided dice twice, what is the expected total? 9. (5) Rolling three four-sided dice twice, what is the probability of actually getting exactly the expected total from question 8? 10. (10) Rolling three four-sided dice twice, what is the probability of the second total being larger than the first?
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Transcript

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00:01 Hello students here first bit a bit the roll two dies total outcomes are it is 4 into 4 that is equal to 16 here out of which the pairs are 11232 334 the required probability 4 by 16 that is equal to 1 by 4 next b bit the total outcomes are it is 4 4 cube that is equal to 64 and sum of at least 9 possible pairs are 8 the probability is equal to 8 by 6 64 that is equal to 1 by 8 and next here total 64 outcomes expected total for rolling 3 four -sided dice are 1 comma 1 comma 1 2 comma 2 3 3 comma 3 4 comma 4 that is equal to 4 and their mean is equal to 3 3 plus 6 plus and so on plus plus 5 into 3 times plus 4 into 3 times divided by 64 that is equal to 510 divided by 64 at approximately equal to 8 and next debit the total of 21 possible ways and total outcomes that is equal to 4096.
02:28 Here the required probability is equal to 21 by 4096...
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