Mathematics, 12.03.2020 20:15 carolineepoolee84
Xan pays $500 per month in rent, a semiannual car insurance premium of $800, and an annual health club membership fee of $900.
Answers: 3
Mathematics, 22.06.2019 00:30
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 01:00
3questions show how you solved the problem 1. subtract & simplify (โy2 โ 4y โ 8) โ (โ4y2 โ 6y + 3) 2.multiply and simplify 2x2y3z2 ยท 4xy4x2 3.multiply and simplify (x โ 4) (x2 โ 5x โ 6)
Answers: 1
Mathematics, 22.06.2019 02:20
The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?
Answers: 2
Mathematics, 22.06.2019 03:30
Atown recently dismissed 5 employees in order to meet their new budget reductions. the town had 5 employees over 50 years of age and 19 under 50. if the dismissed employees were selected at random, what is the probability that exactly 2 employees were over 50? express your answer as a fraction or a decimal number rounded to four decimal places.
Answers: 1
Xan pays $500 per month in rent, a semiannual car insurance premium of $800, and an annual health cl...
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