Using Appendix Data Set or the file on the web named ADD.dat, a. What is the probability that a male will have an ADDSC score greater than 50 if the scores are normally distributed with a mean of 54.3...

Using Appendix Data Set or the file on the web named ADD.dat, a. What is the probability that a male will have an ADDSC score greater than 50 if the scores are normally distributed with a mean of 54.3 and a standard deviation of 12.9? b. What percentage of the male sample actually exceeded 50?