A company offers all its employees a physical each year The blood cholesterol level for men aged 30 to 39 has a standard deviation of 12 mg dL For women in the same age group the standard deviation is 24 mg dL A sample of 20 men aged 30 to 39 had a mean cholesterol level of 204 mg dL A sample of 28 women aged 30 to 39 had a mean cholesterol level of 210 mg dL What is the probability of observing these sample means if the population means are the same O 0 2542 00 1271 01 14 0114