Two events a and b are if the occurrence of one does not affect the probability of the occurrence of the other.

a. mutually exclusive
b. independent
c. disjoint
d. dependent

Two events A and B are independent if the occurrence of one does not affect the probability of the occurrence of the other.

Option B

Step-by-step explanation:

An independent event denotes an event that is unrelated to the likelihood (or not) of another events happening. In simple, the event does not affect the likelihood of the event of other occurrence. These do not vary from independent event happening in real life.

For example: Two events, A and B, seems to be independent if the fact that A is present and would not affect the probability of B occurrence. Other example: landing on the head with a flipped coin and dropping 5 on one six-sided die.

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step-by-step explanation:

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.