College entrance examination scores (X) have an approximately normal distribution with mean500 and standard deviation 100. You may use functions inRto answer these questions but pleaseconvert to z-scores first (since this is what you will need to do for the exams) and use the standardnormal distribution to find the probabilities. Write out the question as a proability statement interms of X and/or Z. For example, P(X < 350) = P(Z < -1.5), but also include a step that showshow you got from X to