According to the National Health Survey, the weights of individuals are normally distributed. Men have an average
weight of 172 pounds, with a standard deviation of 29 pounds.
Suppose we select 64 male students from Math 203. Find the
sample standard deviation for this sample. Give your answer to
three decimal points.

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

If f(x) = 4 - x2 and g(x) = 6x, which expression is equivalent to (g-f)(3)? 06-3-(4 + 3)2 06-3-(4-33 6(3) - 4 +32 6(3) -4 -32