Your supplier for a critical airplane component claims that the population mean strength of the supplied component is 2.5 ksi. You conduct a hypothesis test to try to disprove his claim (i. e., your alternative hypothesis is that the mean is less than 2.5) and find that the p-value is .01. If you use a .05 level of significance, do you believe the supplier’s claim?

Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices

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?

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents