Using Appendix Data Set or the file on the web named ADD.dat, a. What is the probability that a male

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?

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