Twelve different video games showing alcohol use were observed. The duration tim

Question

Twelve different video games showing alcohol use were observed. The duration times of alcohol use were recorded, with the times (seconds) listed below. What requirements must be satisfied to test the claim that the sample is from a population with a mean greater than 75 sec? Are the requirements all satisfied? 55 88 13612470 5322046 182 0 2 What requirements must be satisfied? Select all that apply. A. The sample observations must be a simple random sample. B. The conditions for a binomial distribution m ust be satisfied. C. At least one observation must be above or below 75 sec. D. Either the population is normally distributed, or n-30, or both. Are the requirements all satisfied? o A. Yes. The conditions for a binomial distribution are satisfied, and there is enough information to determine that the sample is a simple random O B. No. The conditions for a binomial distribution are not satisfied, and there is not enough information given to determine whether the sample is a ° C. Yes. A normal quantile plot suggests that the sample is from a normally distributed population, and there are observations above and below 75 sec. wag:le simple random sample.

Explanation / Answer

Solution:-

a)

A) The sample observation must be a simple random sample.

D) Either the population is normally distributed, or n > 30 or both.

b)

F) No, The sample size is not greater than 30, the sample does not appear to be form a normally distributed population, and there is not enough information given to determine whether the sample is a random sample.

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