Examlex
A multiple-choice test has 30 questions.There are 4 choices for each question.A student who has not studied for the test decides to answer all questions randomly.What type of probability distribution can be used to figure out his chance of getting at least 20 questions right?
Sieve Element
A type of cell found within the phloem of vascular plants, responsible for transporting sugars and other nutrients throughout the plant.
Companion Cell
In phloem, cell that provides metabolic support to its partnered sieve element.
Source Region
An area where specific air masses form, characterized by its uniform temperature and humidity patterns influencing weather and climate.
Sugars
Simple carbohydrates that are used as a primary energy source for living organisms.
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