Mathematics, 30.11.2021 05:30 Pattondestiny
An economist wishes to conduct a survey in two different cities in the same county to determine the difference in the proportions of residents who believe that economy is improving under president Trump. A 99% confidence interval is to be constructed for the difference between the proportions. If the sample sizes for both cities are to be equal, find the minimum sample size needed for each city so that the margin of error not to exceed 6%. consider P1= 0.585, n1= 110, P2= 0.526, n2=90. find the pooled proportion P
Answers: 1
Mathematics, 21.06.2019 18:00
Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 β3x + 5y = 10
Answers: 1
Mathematics, 21.06.2019 19:30
Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?
Answers: 1
Mathematics, 22.06.2019 00:30
In september, louise planted a tree. every month, the tree louise planted grew 2 inches. what would the constant of proportionality of the line be?
Answers: 3
Mathematics, 22.06.2019 02:00
If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?
Answers: 1
An economist wishes to conduct a survey in two different cities in the same county to determine the...
Mathematics, 15.04.2020 08:20
Mathematics, 15.04.2020 08:21
History, 15.04.2020 08:22
Mathematics, 15.04.2020 08:23
Mathematics, 15.04.2020 08:37
Mathematics, 15.04.2020 08:37
Mathematics, 15.04.2020 08:37
Mathematics, 15.04.2020 08:37
Social Studies, 15.04.2020 08:38
Chemistry, 15.04.2020 08:38
Mathematics, 15.04.2020 08:38
History, 15.04.2020 08:38