Mathematics

Ivy

17 October, 09:12

Twelve different video games showing drug use were observed. The duration times of drug 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?

86 13 623 50 0 53 198 45 172 0 2 59

What requirements must be satisfied? Select all that apply.

A. Either the population is normally distributed, or ngreater than 30, or both.

B. The conditions for a binomial distribution must be satisfied.

C. At least one observation must be above or below 75 sec.

D. The sample observations must be a simple random sample.