The times a fire department takes to arrive at the scene of an emergency are normally distributed with a mean of 6 minutes and a standard deviation of 1 minute. For about what percent of emergencies does the fire department arrive at the scene in 4 minutes or less?

This trip the family will spend $117.96. the next trip they will spend $119.27. this is an increaseof $117.96 - $119.27| or an increase of $1.31.what is the percent of increase? round your answer to the nearest whole percent. type your answer into the space.the percent of increase is: resetsubmit