PLEASE HELP ITS KINDA EASY BUT I CANT FIGURE IT OUT! A yacht sailed 42 kilometers across Lake Nettle. The yacht sailed at a steady speed of
35 kilometers per hour. How much time did the yacht take to sail across the lake?

Write your answer to the tenths place.

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.