When Sahara runs the 400 m dash, finishing times are normally distributed with a mean of 84 seconds in a standard deviation of 1.5 seconds using the empirical rule, what percentage of races while her finishing time be between 81: 87 seconds?

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

What term makes it inconsistent y=2x - 4

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?