Phonemes represent the sound system of a language

Phonemes represent the sound system of a language

A weighted average of the value of a random variable, where the probability function provides weights, is known as _____

a. a probability function b. a random variable c. the expected value d. None of the answers is correct.

A price spread (or vertical spread) involves buying and selling an option for the same stock and expiration date but with different exercise prices

Indicate whether the statement is true or false