Achild is pushing a shopping cart at a speed of 1.5 m/s how long will it take this child to push the cart down and i'll with the length of 9.3 m

Aresearcher plans to conduct a test of hypotheses at the 1% significance level. she designs her study to have a power of 0.90 at a particular alternative value of the parameter of interest. the probability that the researcher will commit a type ii error for the particular alternative value of the parameter at which she computed the power is: a. 0.90. b. 0.01. c. 0.10. d. equal to 1

If a simple machine reduces the strength of a force, what must be increased?

In an experiment, how can i change human errors? be specific.