Which diagram represents a fraction equivalent to 75%? A bar diagram with 14 shaded squares and 6 unshaded squares.
A bar diagram with 8 shaded squares and 2 unshaded squares.
A bar diagram with 15 shaded squares and 5 unshaded squares.
A bar diagram with 7 shaded squares and 3 unshaded squares.

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?

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.

15 liters is approximately how many gallons