Mathematics, 01.09.2021 18:10 school7067
g We want to test whether the mean lead levels in the drinking water is worse in city A and City B. In order to test this, a sample of 49 different water samples was taken from city A, and a sample was taken from 36 different water samples in city B. City A has a sample average of 2.3 micrograms of lead per deciliter of water, and city B has a sample average 1.4 micrograms of lead per deciliter of water. Further, city A has a known standard deviation of , and city B has a known standard deviation of . Find the p-value for the following hypothesis test: vs .
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 18:00
Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?
Answers: 1
Mathematics, 21.06.2019 20:30
Daryl factors the polynomial p(x)=x3+x2โ26x+24 to rewrite it as p(x)=(x+6)(xโ4)(xโ1). which equations must be true? there may be more than one correct answer. select all correct answers. p(1)=0 p(โ4)=0 p(โ1)=0 p(6)=0 p(4)=0 p(โ6)=0
Answers: 1
Mathematics, 21.06.2019 20:30
Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.
Answers: 2
Mathematics, 21.06.2019 20:40
Ineed someone to me answer my question i have to have this done and knocked out
Answers: 2
You know the right answer?
g We want to test whether the mean lead levels in the drinking water is worse in city A and City B....
Questions
History, 13.11.2020 08:00
History, 13.11.2020 08:00
Mathematics, 13.11.2020 08:00
Mathematics, 13.11.2020 08:00
Mathematics, 13.11.2020 08:00
Mathematics, 13.11.2020 08:00
Mathematics, 13.11.2020 08:00
Social Studies, 13.11.2020 08:00
Mathematics, 13.11.2020 08:00
Advanced Placement (AP), 13.11.2020 08:00
