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Select all situations that represent dependent events.

The mean exam score is 75 and the standard deviation is 5. Which score is exactly one standard deviation above the mean?

Exam scores are normally distributed with a mean of 80 and a standard deviation of 5. A student earns a score of 90. Calculate the corresponding z-score. Z-Score Formula: Round your answer to two decimal places. 

Based on the contingency table, which probability is represented by the calculation 45 ÷ 70?

In a normal distribution, if the area to the left of a value is 0.85, determine the area to the right of that value.

Based on the contingency table, given that a person owns a pet, what is the probability that the person is a student? Round your answer to two decimal places. 

Select the word or value from the drop-down menu that best completes the statement. Mutually exclusive events occur at the same time.

Suppose , , and .  Find . Round the final answer to two decimal places.

Which of the following is true regarding anorexia nervosa?

A patient with a resistant major depressive disorder is taking a Monoamine Oxidase Inhibitor (MAOI) medication.  The early trials with other antidepressants had little effect on the patient’s depression.  The patient arrives in the Emergency Department with these symptoms:  severe throbbing headache, blood pressure of 200/110 mmHg, and rapid heartrate.  What question would be a priority for the nurse to ask?