HELP MATH IS HARD To rent out the movie theater it costs $150 plus $5 per person p. How much does it cost to rent out the move theater?

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Math i have no idea how to do a and b

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.