In a hypothesis test with hypotheses and , a random sample of 40 elements selected from the population produced a mean of 23.5. assume that 4.9, and that the test is to be made at the 10% significance level. what are the critical values of z?

What should be done to solve the equation? x+14=21 add 14 to both sides of the equation. subtract 14 from the left side of the equation. add 14 to the left side and subtract 14 from the right side of the equation. subtract 14 from both sides of the equation.

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4