Exams are approaching and Helen is allocating time to studying for exams. She plays for the very successful women's lacrosse team and must schedule her studying around lacrosse practices and play-off games. She thinks that with the appropriate preparation, she has a 70% chance of getting an A in Marketing. She also believes that this chance will decrease to 60% if the lacrosse team makes the play-offs. Are getting an A on the exam and being in the lacrosse play-offs independent events?

No, there events are dependent, because the change of getting an A in Marketing decreases if the lacrosse team makes the playoffs.

Step-by-step explanation:

Independent events:

Two events are said to be independent if one event happening, or not, does not change the probability of the other event happening.

In this question:

The change of getting an A in Marketing decreases if the lacrosse team makes the playoffs, which implies that the events are dependent, an the answer is no.

answer: check all that apply, where the options?

step-by-step explanation:

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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