Mathematics, 12.11.2019 06:31, LonelyKai
(based on q14) the international coffee association has reported the mean daily coffee consumption for u. s. residents as 1.65 cups. assume that a sample of 38 people from a north carolina city consumed a mean of 1.84 cups of coffee per day, with a standard deviation of 0.85 cups. in a two-tail test at the 0.05 level, could the residents of this city be said to be significantly different from their counterparts across the nation?
Answers: 2
Mathematics, 21.06.2019 21:30, mandyangle01
Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?
Answers: 3
Mathematics, 21.06.2019 22:00, kiararoman1715
Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?
Answers: 2
(based on q14) the international coffee association has reported the mean daily coffee consumption f...
English, 10.05.2021 16:30
English, 10.05.2021 16:30
Mathematics, 10.05.2021 16:30
Mathematics, 10.05.2021 16:30