> Is that even statistically significant? Not if your significance level is the customary 5%: > 1 - pbinom(2, 7, 1/7) [1] 0.06522914 The astronauts c

> Is that even statistically significant? Not if your significance level is the customary 5%: > 1 - pbinom(2, 7, 1/7) [1] 0.06522914 The astronauts carried dosimeters, and all got rad doses below what some DOE employees get, so maybe there is better population for an observational study.