1. What are the mean, variance, and standard deviation of these values: 3.5,
4.7, 6.4,5.8, 4.2

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

Which choice represents the sample space ,s for this event

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.