STATISTICS Math 221 WEEK 2 Homework Questions with Answers: DeVry University
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Course
Math 221
Institution
Math 221
Question 1
2 / 2 pts
According to company records, the probability that a washing machine will break in the first year is 4%. This would be considered:
Homework Help:
2DA. Definition of probabilities and classical, empirical, subjective probabilities (Links to an external site.) (DOCX)
Su...
Question 1
pts
According to company records, the probability that a washing machine will break in the
first year is 4%. This would be considered:
Homework Help:
2DA. Definition of probabilities and classical, empirical, subjective probabilities (Links to
an external site.) (DOCX)
Subjective probability
Manufactured probability
Correct!
Empirical probability
Classical probability
Question 2
pts
Given the following information, find the probability that a randomly selected student will
be tall, but not very tall. Number of students who are very short: 45, short: 60, tall: 82,
very tall: 21
Homework Help:
2DB. Probabilities from a given distribution of frequencies (Links to an external
site.) (DOCX)
49.5%
50.5%
10.1%
, Correct!
39.4%
Question 3
pts
Given the following information, find the probability that a randomly selected dog will not
be a golden retriever. Number of dogs who are poodles: 31, golden retrievers: 58,
beagles: 20, pugs: 38
Homework Help:
2DB. Probabilities from a given distribution of frequencies (Links to an external
site.) (DOCX)
39.5%
78.9%
Correct!
60.5%
58.0%
Question 4
pts
Given that there is a 21% chance it will rain on any day, what is the probability that it will
rain on the first day and be clear (not rain) on the next two days?
Homework Help:
2VA: Probabilities given probability of success and 2 or more events (Links to an
external site.) (0:51)
2DC. Probabilities given probability of success and 2 or more events (Links to an
external site.) (DOCX)
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