For the SAT nationally, the mean is 502 and the standard deviation is 101. If a school finds that the mean score is 470 from a random sample of 100 seniors, can they claim that they perform at the national average?

12 3 4 5 6 7 8 9 10 time remaining 59: 02 charlie is evaluating the product of 0.09 and 0.05. he multiplies, and before placing the decimal, arrives at an answer of 45. after considering the decimal placement, what is charlie's final answer? 0.0045 0.045 0.45 0.4545 mark this and return