2) if events a and b are dependent, then a) a and b must occur together. b) a and b cannot occur together. c) a's occurrence can affect the probability of b's occurrence. d) a's occurrence cannot affect the probability of b's occurrence.

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Step-by-step explanation: because tgey wou;d nred help

C.) If events A and B are DEPENDENT, then A's occurrence can affect the probability of B's occurrence. For example, when two cards are chosen from a deck without replacement, the possibilities change for the second card.

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.