Answer Happy

Question 2 Tries remaining: 1 Marked out of 7.00 Flag question In a large population of adults, the mean IQ is 118 with a standard deviation of 19. Suppose 60 adults are randomly selected for a market research campaign. (Round your answers to 4 decimal places, if needed.) (a) The distribution of IQ is approximately normal + (b) The distribution of the sample mean IQ is approximately normal (c) The probability that the sample mean IQ is less than 114 is (d) The probability that the sample mean IQ is greater than 114 is (e) The probability that the sample mean IQ is between 114 and 125 is Check with a mean of and a standard deviation of