The average score on an aptitude test is 80 with a standard deviation of 10. one person scored a 100. what is that person's z-score?

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Which one is true about the hexagons ?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x