Kevin has 10 white socks and 4 black socks in his drawer. he reaches in and picks one sock without looking.

what is the likelihood that kevin picks a black sock?

a. impossible

b. likely

c. certain

d. unlikely

The longer leg of a 30-60-90 trangle is 18

Ineed here’s a picture of the question

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.