1. If Mark had an IQ of 110 what would be his z or standard score?2. What propor

1. If Mark had an IQ of 110 what would be his z or standard score?2. What proportion of the population would have a score equal to or higher than Mark?3. Andrew took the same test and got a 95. What is Andrews Z score?4. What proportion of the population would have IQs equal to or between Mark and Andrew?5. Approximately 84% of IQ scores would be equal to or between what two scores?6. If a researcher took a sample of 25 people what would be the standard error?7. Based on this standard error what is the probability that the mean of a sample of 25 peope would be greater than 115?8. What is the probability that the mean of a sample of 50 people would be greater than 115?