Find the percent of students who complete the project in less than 2.5 hours (150 minutes), with the statistics below. For your second post, find the z-score and number of minutes that represent the 90th percentile of times, which gives the time cutoff for the 10% of students who take the longest):The times follow a normal model with a mean of 184.2 minutes and a standard deviation of 47.5 minutes.

Find the percent of students who complete the project in less than 2.5 hours (150 minutes), with the statistics below. For your second post, find the z-score and number of minutes that represent the 90th percentile of times, which gives the time cutoff for the 10% of students who take the longest):The times follow a normal model with a mean of 184.2 minutes and a standard deviation of 47.5 minutes. I already started it but not sure if what I have is correct