i) If 1038 people had the mean income of $15,000, how much is mean increased by addition of the single income of $350,000?
ii) Belinda took 3 test her median score was 678 and mean score was 768 and range was 298 find her three test scores?
iii) The multiple choice quiz comprises of 158 questions each with 58 answer choices find total number of ways questions can be answered on quiz?