1. [l10 Points] DETAILS 0/4 Submissions Used MY NOTES To help companies determine an appropriate compensation (salary + bonus) for their CEO, a market research agency took three random samples of 20 CEOs from existing companies and recorded their total compensation, as shown in the histograms. They wanted to compute a 95% condence interval for the average CEO compensation. 6 6 6 a is\" 8' E \"a :5 Z 0 20 40 so so o 20 40 so so Z 0 20 4o so so Touloompmuioniammions Touloompemmm Touloompetmtioninmillions Sample A Sample 8 Sample C (a) For which sample(s) would it be valid to compute a 95% condence interval for the average CEO compensation? C Sample A C Sample B C Sample C C None of the samples (b) If the market research agency increased their sample size to 59 randomly chosen CEOs, for which sample(s) would it now be valid to compute a 95% condence interval? C Sample A C Sample B C Sample C C None of the samples