The accompanying data represent the daily (for example, Monday to Tuesday) movement of Johnson & Johnson (JNJ) stock for 61 randomly selected trading days. "Up" means the stock price increased for the time period. "Down" means the stock price decreased (or was unchanged) for the time period. Construct and interpret a 95% confidence interval for the proportion of days JMJ stock increases. Find the upper and lower bounds for the 95% confidence interval.

Which choice represents the sample space ,s for this event

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the

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.