the mean reaction time of participants to a flash of light is 234 milliseconds with a standard deviation of 37 milliseconds. assuming that reaction times are normally distributed, answer the questions below. (2 point each) a. what percentage of participants have a reaction time more than 220 milliseconds? b. what proportion of participants have reaction times between 230 and 240 milliseconds? c. what is the reaction time of someone at the 75th percentile? d. what proportion of participants have reaction times between 250 and 300 milliseconds? e. how fast do you need to react to be in the bottom 10% of the distribution? f. what percentage of participants have a reaction time more than 283 milliseconds?
