Which of the following is used to determine spread/variability in a data set? (standard deviation, median, mean, IQR) (select all that apply)

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)

If cos(θ)=2853 with θin q iv, what is sin(θ)?