Based on the random sample of n=800 observations, we have obtained a sample proportion p(bar) =0.44. the goal is to test: h(0): p≥0.48 h(a): p< 0.48 what is the standard error (σ( rounded to four decimal places.

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9