Mathematics, 13.01.2020 21:31 missalawode28
An srs of 430 high school seniors gained an average of ¯x=20.44 points in their second attempt at the sat mathematics exam. assume that the change in score has a normal distribution with standard deviation σ = 52.32. we want to estimate the mean change in score u in the population of all high school seniors, give a 95% confidence interval (a, b) for based on this sample.
Answers: 3
Mathematics, 21.06.2019 21:20, madisontrosclair2
Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)
Answers: 3
Mathematics, 21.06.2019 22:30, wednesdayA
Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?
Answers: 1
An srs of 430 high school seniors gained an average of ¯x=20.44 points in their second attempt at th...
Social Studies, 26.02.2021 20:40
Mathematics, 26.02.2021 20:40
Mathematics, 26.02.2021 20:40
Law, 26.02.2021 20:40
History, 26.02.2021 20:40
English, 26.02.2021 20:40