Select the correct statement. a.) The critical z-score for a left-tailed test at a 25% significance level is -0.40.
b.) The critical z-score for a two-sided test at a 5% significance level is 1.65.
c.) The critical z-score for a right-tailed test at a 17% significance level is 0.57.
d.) The critical z-score for a two-sided test at a 3% significance level is 2.17.

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.