Suppose it is known that 1 part in 1000 produced by an aircraft supplier is bad. each part can be screened for defects using x-rays. if the part is bad, the x-ray test will detect it with probability 0.999. if the part is good, there is a probability of 0.002 that it is erroneously indicated as bad by the x-ray test. for one randomly selected part, the test shows that it is bad. what is the probability that it is really bad (hint: this is a conditional probability)?

Which table shows a proportional relationship between miles traveled and gas used?

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.

What is the interquartile range of this day at set?