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4.03 Quiz Interpreting Probability Distributions

Question: Use the probability distribution table to find the probability of the event.

What’s the probability of P(x=2 or x=0)?

X: 0 1 2 3 4 5

P: 0.3 0.05 0.1 0.15 0.15 0.25

Answer: 0.4

Question: Use the probability distribution table to find the probability of the event.

What’s the probability of P(0<X<3)?

X: 0 1 2 3 4 5

P: 0.3 0.05 0.1 0.15 0.15 0.25

Answer: 0.15

Question: Use the probability histogram to find the probability of the event.

What’s the probability of P(X<5)?

X: 1 2 3 4 5 6 7

P: 0.10 0.15 0.10 0.20 0.15 0.20 0.10

Answer: 0.7

Question: The probability distribution histogram shows the weight distribution of Hamadryus baboons that live in a certain region.

What’s the probability P(25<X<35)?

X: 5 10 15 20 25 30 35 40

P: 0.05 0.15 0.15 0.20 0.25 0.15 0.05

Answer: 0.4

Question:

Answer: 75%