I need answers a through c please. Thank you very much in advance.

Use the Normal model N(100,16) describing IQ scores to answer the following. a) What percent of people's IQs are expected to be over 75? b) What percent of people's IQs are expected to be under 85? c) What percent of people's IQs are expected to be between 112 and 124? a) Approximately |% of people's IQs are expected to be above 75. (Round to one decimal place as needed.) b) Approximately % of people's IQs are expected to be below 85. (Round to one decimal place as needed.) c) Approximately |% of people's IQs are expected to be between 112 and 124. (Round to one decimal place as needed.)