PLEASE HELP The ages of the 5 officers for a school club are 18, 18, 17, 16, and 15. The proportion of officers who are younger than 18 is 0.6. The table displays all possible samples of size 2 and the corresponding proportion for each sample 18, 18 18, 17 18, 16 18, 16 18, 15 18, 15 17, 16 17, 15 16, Sample n = 2 Sample Proportion 18, 17 0.5 0 0.5 0.5 0.5 0.5 0.5 1 1 1 Using the proportions in the table, is the sample proportion an unbiased estimator? O Yes, the sample proportions are calculated using samples from the population O Yes, the mean of the sample proportions is 0.6, which is the same as the population proportion O No, 0.6 is not one of the possible sample proportions. O No, 70% of the sample proportions are less than or equal to 0.5.​