Question

When Magan goes bowling, his scores are normally distributed with a mean of 195 and a standard deviation of 14. Using the empirical rule, what percentage of the games that Magan bowls does he score between 181 and 209?

Answer 1

181 and 209 are one standard deviation below and above the mean (195 ± 14). By the empirical rule about 68% of values lie within ±1σ, so approximately 68% of his games.