Dry Outgrowths of the Ovary Wall of a Maple Fruit

question 27

Multiple Choice

Dry outgrowths of the ovary wall of a maple fruit form "wings" allowing these fruits to be dispersed by ____.

• A)mammals
• B)insects
• C)water
• D)gravity
• E)wind

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Definitions:

Probability

A numerical assessment, between 0 and 1, representing the chance of an event taking place.

Poisson Random Variable

A type of random variable that expresses the probability of a given number of events happening in a fixed interval of time or space, assuming events occur with a known constant mean rate and independently of the time since the last event.

Average Number

The arithmetic mean, calculated as the sum of all values in a set divided by the number of values in the set.

Event Occurs

Indicates the happening of a specific condition or outcome within a statistical experiment.