The data for the number of Democrat United States senators for each two-year term from 1985 to 2009 is shown in the chart. Which five-number summary correctly represents this data?

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)?

Triangle xyz has vertices x(1,3), y(0,0)

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?