MTH 410 Module 3 Mastery Exercise, MTH410 QUANTITATIVE BUSINESS ANALYSIS, Colorado State University

QUESTION 1
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1/1 POINTS
An event is _______.


That is correct!


the set of all possible outcomes of an experiment

a subset of the set of all outcomes of an experiment

one specific execution of an experiment

a planned activity carried out under controlled conditions
Answer Explanation
Correct answer:
a subset of the set of all outcomes of an experiment
An event is defined as a subset of the set of all outcomes of an experiment.
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QUESTION 2
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1/1 POINTS
A bag contains 9 RED beads, 3 BLUE beads, and 8 GREEN beads. If a single bead is
picked at random, what is the probability that the bead is RED or GREEN?

, That is correct!

$$0.85

Answer Explanation
Correct answers:
• $\frac{17}{20}$1720

The total number of beads is 9+3+8=20. The number that are RED or GREENn
is 9+8=17, so the answer is 1720.

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QUESTION 3
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1/1 POINTS
If A and B are independent events with P(A)=0.8 and P(B)=0.4, find P(A AND B).


That is correct!

$$0.32

Answer Explanation
Correct answers:
• $0.32$0.32

Remember that for independent events,

P(A AND B)=P(A)P(B)
So, plugging in the values we are given, we find that