Mathematics, 17.04.2020 21:17 brendaesme
In June 2018, NBC News and the Wall Street Journal reported the results of a poll about problems and priorities for the U. S. They used random-digit dialing to poll 900 registered U. S. voters nationwide. Those polled answered the question, "What do you think is the most important problem facing this country today?"
From a list of 12 options, the largest majority of those polled (38%) said "health care." This is an observational study designed to answer a question about a population. Who is the population?
a. The 900 U. S. adults polled
b. U. S. adults who watch NBC News or read the Wall Street Journal
c. The 38% who answeis
d. "health care All U. S.registered voters.
Answers: 3
Mathematics, 21.06.2019 13:30, cogger9348
Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.
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 00:30, ashiteru123
What is the value of x? enter your answer in the box. x =
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Mathematics, 22.06.2019 00:50, kyleeeeee94
Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok
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