Data from the National Football League (NFL) from a recent season reported the number of yards gained by each of the league's wide receivers. The data in this Excel filenfl_receiver_yds_webassignshows the yards gained by each wide receiver in the NFL who gained 50 or more yards during the season.

The number of yards gained is right-skewed and therefore a normal model isNOTa good model for the data. However, thesquare rootof the number of yards gained can be approximated very well by a N(21.5, 8.3) model.

Question 1. Use the normal model to determine the probability that a wide receiver gained395yards or less during the season. (Use 4 decimal places).