An online news source reports that the proportion of smartphone owners who use a certain operating system is 0. 216. Two simulations will be conducted to create a sampling distribution of the sample proportion from a population with proportion 0. 216. Simulation a will consist of 1,000 trials with a sample size of 50. Simulation b will consist of 500 trials with a sample size of 100.

Mr. chiu made a dot plot after asking his students a question. based on the dot plot, which statements are correct? check all that apply. eleven students answered mr. chiu's question. twelve students answered mr. chiu's question. three people studied for two hours. three people studied for three hours. everyone who responded studied for at least one hour. four people studied for four or more hours