A set of chemistry exam scores are normally distributed with a mean of 70 points and a standard deviation of 5 points. What proportion of exam scores are between 68 and 73 points?
You may round your answer to four decimal places.

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96