Find the Probability $\frac { 8 } { 15 }$ B) $\frac { 1 } { 3 }$

question 299

Multiple Choice

Find the probability.
-A bag contains 8 red marbles, 2 blue marbles, and 5 green marbles. What is the probability of choosing a blue marble when one marble is drawn?

• A) \(\frac { 8 } { 15 }\)
• B) \(\frac { 1 } { 3 }\)
• C) \(\frac { 1 } { 5 }\)
• D) \(\frac { 2 } { 15 }\)

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Definitions:

Test Statistic

A statistic calculated from sample data that is used in a hypothesis test to decide whether to reject the null hypothesis.

Sample Proportion

The ratio of members within a sample that possess a particular trait or characteristic, relative to the total sample size.

Null Hypothesis

The hypothesis that predicts no interaction or association between variables, serving as the benchmark for statistical testing.

Null Hypothesis

The hypothesis that there is no effect or no difference, and any observed deviation from this is due to sampling or experimental error.