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EXAM Answer all questions in the exam document embedded below. After you completed your exam, scan your pages into a single PDF, name it midterm_Student Name (example: midterm_JohnSmith).  Before uploading, verify your file has all the pages you need to submit. Upload it by clicking on “Choose a File” button in “Question 1” below. You are only allowed to upload one file to a question. Then click “Submit Quiz”. You may get a warning saying that you have some unanswered questions if you do not use optional file upload sections, click OK to submit anyway. View exam document here. Use double-sided arrow icon on the tool bar below to preview it in full screen mode. You can also download it by clicking on the download icon to the right of the document and open it on your computer. midterm – 2025.pdf

In a discrete probability distribution, what must be true when you add up the chances of all possible outcomes?

Which of the following is a requirement for the Poisson distribution?

A student scores 75 on a test with a mean of 60 and a standard deviation of 5. What is the student’s Z-score?

What is the probability of selecting a male with hypertension from a population where 50% are male, and hypertension occurs in 18% of males?

A bag contains 5 red, 4 blue, and 3 green balls. If a ball is randomly selected, what is the probability that it is not blue?

Which of the following is a key role of Statistics in decision-making?

In a medical test, if P(TrueNegative)=0.95, what does this indicate?

If we know that a person is carrying an umbrella, what is the probability that it is raining?

You are testing whether the average blood glucose level is higher than the threshold value of 100 mg/dL in a sample of 25 patients. The sample mean is 105 mg/dL, and the sample standard deviation is 12 mg/dL. You conduct a one-tailed hypothesis test at a 1% significance level. What is the critical value for the z-test?