1. A nursing home in a community of 7,600 people wants to anticipate how many residentsaged 75 years and olderit may need to accommodate in five years.The population of the community is normally distributed with mean 46 and standard deviation 13.Calculate how many people are currently 70 and older.

z-score

proportion of the curve representing the given age group

number of residents within the given age group

Question 2 To determinethe portion of a standard normal distribution curve above z = 1.07, proportions should be (added/subtracted):