Rhino viruses typically cause common colds. in a test of the effectiveness of echinacea, 3737 of the 4242 subjects treated with echinacea developed rhinovirus infections. in a placebo group, 8787 of the 101101 subjects developed rhinovirus infections. use a 0.010.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. complete parts (a) through (c) below.

a. test the claim using a hypothesis test.

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Finding tbe values of the variables in each kite