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This Quiz: 10 pts Question Heip A group of 20 randomly selected road sites. These values are given in the accompanying table. Complote parts a through d wants to estimate the true mean 489 349 459200 289 405 573 440 546 581 300 432 182 405 313 315 144 423 (Round to one decimal place as needed.) The confidence interval means that we are [1% confident that the true V for of 2 A. The sample must be randomly selected from the population. The population distribution must be B. C. The sample size must be much smaller than the population size. D. The sample must be selected carefully to represent the whole population. Is it reasonable to assume that the population distribution is approximately norma? Attemp A. The condition does not apply. O B. Yes, because the sample distribution is a ° C. No, because the sample distribution is definitely not normal. Click to select your answer(s). 26
20 randomly road sites. These values are given in the accompanying table. Complete parts a through d w oSumate the true mean skid 300 432 381 423 182 262 274 405 315 144 Is it reasonable to assume that the population distribution is approximately normal? OA. The condition does not apply B. Yes, because the sample distribution is approximately normal. C. No, because the sample distribution is definitely not normal. Is it reasonable to assume that the sample is random? O A. Yes, because the problem statement indicates that it is. O B. No, because we do not know the methods used by the researchers C. The condition does not apply Is it reasonable to assume that the sample size is much smaller than the population size? O B. The condition does not apply O c. No, because the length of the road is unknown. Click to select your answerls). 07%20false); 26 406
lestnHelp 20 randomly selected road sites. These values are given in the accompanying table. Complote parts a through d 489 349 459 200 289405573 300 440 182 262 274405 313 315 144 381 423 O B. No, because we do not know the methods used by the researchers ° C. The condition does not apply O B. The condition does not apply ° C. No, because ee length of the road is unknown ls it reasonable to assume that the A. No, because we do not know the methods used by the researchers O B. The condition does not apply 0 C, Yes, because the problem statement indicates that it was. you agree? Click to select your answerls). 6
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ol lo ddingd the doa 13.8 4O3 is in e 1 S

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