Mathematics, 25.12.2019 05:31 dmgcity
An engineer suspects that the hardness readings for a particular piece of testing equipment differ depending on the type of tip he uses. he took ten pieces of metal and tested each using both tips. the data follow: • specimen 1 2 3 4 5 6 7 8 9 10 • tip 1 7 3 3 4 8 3 2 9 5 4 • tip 2 6 3 5 3 8 2 4 9 4 5 • perform the most appropriate hypothesis test using a significance level of 0.05. • construct the most appropriate 95% confidence interval. • what must you assume to do an analysis (hypothesis test or confidence interval) on these data? how comfortable are you with these assumptions?
Answers: 3
Mathematics, 21.06.2019 19:40, joexx159
The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол
Answers: 1
Mathematics, 22.06.2019 00:00, madisonwr
Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags
Answers: 2
Mathematics, 22.06.2019 00:00, crazylogic963
Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?
Answers: 3
An engineer suspects that the hardness readings for a particular piece of testing equipment differ d...
Mathematics, 14.04.2021 22:40
Arts, 14.04.2021 22:40
Mathematics, 14.04.2021 22:40
Mathematics, 14.04.2021 22:40
Mathematics, 14.04.2021 22:40
Chemistry, 14.04.2021 22:40