How to find z score and minimum score with steps for question b)

In the movie Forrest Gump, the public school required an IQ of at least 80 for admittance. (a) If IQ test scores are normally distributed with mean 100 and standard deviation 16, what percentage of people would qualify for admittance to the school? (Round your answer to 2 decimal places.) Percentage of people 89.44 % (b) If the public school wishes 95 percent of all children to qualify for admittance, what minimum IQ test score should be required for admittance? (Round the z value to 3 decimal places. Round your answer to 2 decimal places.) Minimum score