_____ is a practice used by retailers whereby they stock-up on a product at a low deal or off-invoice price and resell it to consumers at higher prices when a promotional period has ended.

A fair die is rolled. What is the probability of rolling a number greater than 4? Provide your answer as a decimal rounded to two decimal places (do not use fractions or percentages).   HINT: Remember a standard six-sided die has the numbers 1, 2, 3, 4, 5, and 6.  

What is the main purpose of hypothesis testing in statistics?

A hospital surveys patients on whether they had high blood pressure and whether they were admitted to the ER. Which statistical test should be used to analyze this data?

What is the primary purpose of a randomized experiment?

EXTRA CREDIT QUESTION: What is a normal gingival sulcus depth for a feline?

Which lab finding in an HIV-positive client should be reported immediately?

The Müller’s ratchet hypothesis to explain sex suggests that…

Two species of fruit fly found on the island of Melanesia are morphologically indistinguishable.  The two species share habitats but rarely interbreed in the wild. Males of both species court females from both species, but the females have a strong preference for the courting display of males of their own species. Based on this information, fruit fly courtship would be considered a form of , which occurs .

Based on the biological definition of sex, what is the single character that distinguishes females from males?