Mathematics, 26.06.2019 09:40, cathysilvestro
Maria invested $2,400 into two accounts. one account paid 4% interest and the other paid 6% interest. she earned 5.5% interest on the total investment. how much money did she put in each account?
Answers: 1
Mathematics, 22.06.2019 00:30, madelyngv97
Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.
Answers: 1
Mathematics, 22.06.2019 01:50, amunnik04
Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307
Answers: 1
Maria invested $2,400 into two accounts. one account paid 4% interest and the other paid 6% interest...
Mathematics, 22.10.2020 02:01
Mathematics, 22.10.2020 02:01
Mathematics, 22.10.2020 02:01
Biology, 22.10.2020 02:01
History, 22.10.2020 02:01
English, 22.10.2020 02:01