STAT 110 – Exam 3 – Seventeen Extra Practice Answers
1)
If a fair die is rolled five times and the outcomes are 44444, then the probability that 4 appears on the next roll is:
B) 1/6 = 16.67%
2)
The “Departed” was given 3 to 2 odds against winning the best picture Academy Award.
This means the estimated probability of
it winning was:
B)
2/5 = 40%
3)
The probability distribution of for the color of M&M’s in a standard bag is:
Color:
Brown
Red
Yellow
Green
Orange
Blue
Probability:
0.13
0.13
0.14
0.16
0.20
?
To make this a valid distribution, the probability of a blue M&M must be:
D)
0.24
Questions 46
are based on the following questions:
70% of students in a class are from instate and 60% of students in a class are
female.
45% of the student in a class are females from instate.
4)
What percent of students are from outof state?
B)
30%
5)
What percent of students are instate but not female?
A)
25%
6)
What percent of students are either instate or female?
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 Spring '07
 JOHNSON
 Statistics, Probability, Null hypothesis, $1, Statistical hypothesis testing, 1%, Green Orange Probability

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