X         0         1          2         3        4          5 P(X)    0.4    0.25      0.15     0.08     0.02    ?? 1 What is the probability they will take 5 classes? 2.What is the probability they will take at least one class? 3. What is the probability a student will take 2 or 3 classes in a semester? 4.What is the expected number of classes a student will take in a given semester.

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X         0         1          2         3        4          5

P(X)    0.4    0.25      0.15     0.08     0.02    ??

1 What is the probability they will take 5 classes?

2.What is the probability they will take at least one class?

3. What is the probability a student will take 2 or 3 classes in a semester?

4.What is the expected number of classes a student will take in a given semester.

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