This s my last question for this month. Please, answer it all. Much much appreci

Question

This s my last question for this month. Please, answer it all. Much much appreciation.

1. The game of craps starts with a come-out roll where the shooter rolls a pair of dice. If the total is 7 or 11, the shooter wins immediately (there are ways that the shooter can win on later rolls if other numbers are rolled on the come-out roll). Roll a pair of dice 25 times. If it is given that for a pair of perfectly made dice the number of winning rolls is nearly always (99.4% of the time) between 1 and 11 out of 25 (a fact that you will find doing the rolling), then, which of the following could be a probability of winning for such a pair 0.66 0.22 0.011 0.033 2. Turn on your favorite music radio station 8 times at least 10 minutes apart. Each time record whether or not music is playing Calculate the number of times music is playing divided by 8 True or False: This number is an estimate of the probability that music is playing when you turn on this station True False 3. Turn on your favorite music radio station 8 times at least 10 minutes apart. Each time record whether or not music is playing. Calculate the number of times music is playing divide by 8. This number is an estimate of the probability that music is playing when you turn on this station Explain why you would not want to wait only 5 seconds between each time you turn the radio station on There is no problem with waiting only 5 seconds between each time If you hear music (or talking) one time, you will almost certainly hear the same thing for several more checks after that. You would not want to wait only 5 seconds between turning the radio station on because you wouldn't have time to document your results You would not want to wait only 5 seconds between turning the radio station on because an estimate of probability must always be determined over 10 minutes or more of time 4. A phenomenon is observed many, many times under identical conditions. The proportion of times a particular event A occurs is recorded. What does this proportion represent? The probability of the event A The distribution of the event A The correlation of the event A The variance of the event A

Explanation / Answer

1 ans) Use TI83's RandInt( ) to simulate the toss of a pair of dice 25 times and count the number of times a 7 or 11 shows up. Then use this result to come up with an estimate for the probabilitythat the shooter will win on the comeout role You are supposed to take a pair of dice and roll them 25 times,Then calculate the probability based on YOUR rolls

ans is 0.22

2 ans) true

3 ans) d ans

4 ans) probaility of event a - its an basic definition

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