Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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| What is the probability of rolling
a single die to a number greater than 4? | | | |
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2.
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 A mini bag of skittles has 3 lemon, 4 grape,
4 cherry,
and 2 lime
skittles. For a total of 13 skittles.
What is the probability of randomly pulling a
grape skittle out of the bag first (assuming each skittle is equally likely to be pulled
out)?
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a. | 0.154 | c. | 0.308
| b. | 0.231 | d. | 0.444 |
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3.
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A quality control inspector
randomly selected 40 phones to be tested at the Y-Phone Factory. The researcher dropped each
phone from a height of 3 feet onto a concrete surface and found only 15 of the phones had the glass
surface break. Based on this test what is the probability that the glass won’t break on
the next test?
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a. | Subjective Probability | c. | Theoretical Probability
| b. | Empirical Probability | d. | Authentic
Probability |
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4.
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| A mechanic tells a customer that
replacing the tensioner on the timing belt has about an 80% chance of fixing the problem with the
car. What type of probability is the mechanic using? | | | |
a. | Subjective Probability | c. | Theoretical Probability
| b. | Empirical Probability | d. | Authentic
Probability |
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5.
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| An opaque bag contains 5 green
marbles, 3 blue marbles, and 2 red marbles. If a marble is drawn at random what are the
ODDS of drawing a blue marble? |  | | |
a. | 1 : 2 | c. | 3 :
10 | b. | 3 : 7 | d. | 2 :
9 |
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6.
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| Assuming any time of the day is
equally likely, what is the approximate probability that a baby is born between 1 a.m. and 3
a.m. in the morning? | | | |
a. | 0.04167 | c. | 0.16667 | b. | 0.08333 | d. | 0.33333 |
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7.
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| What is the
complement of event of a teacher randomly calling on a student that is a
male? | | | |
a. | Calling on a male student | c. | Calling on any
student | b. | Calling on a female student | d. | Calling on a teacher |
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