When i go to the gas station and pump
gas, i like to challenge myself to guess the
amount of gas i am going to pump into
my tank. i consider it a "win" for me if my
guess is within 0.2 gallons of the actual
amount that i pump. if i am 0.2 gallons
or more away from the actual amount
that i pump. i consider it a "loss" for me.
(my son tells me this makes me a real
nerd.) (as if he needed further proof)
question: which of the following inequalities
represents a win for me, if i am guessing that
i will pump 11.2 gallons?

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.