Table of contents
- 1. Introduction to Statistics53m
- 2. Describing Data with Tables and Graphs2h 1m
- 3. Describing Data Numerically1h 48m
- 4. Probability2h 26m
- 5. Binomial Distribution & Discrete Random Variables2h 55m
- 6. Normal Distribution & Continuous Random Variables1h 48m
- 7. Sampling Distributions & Confidence Intervals: Mean1h 17m
- 8. Sampling Distributions & Confidence Intervals: Proportion1h 20m
- 9. Hypothesis Testing for One Sample1h 8m
- 10. Hypothesis Testing for Two Samples2h 8m
- 11. Correlation48m
- 12. Regression1h 4m
- 13. Chi-Square Tests & Goodness of Fit1h 30m
- 14. ANOVA1h 4m
4. Probability
Basic Concepts of Probability
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following represents the lowest level of probability for an event occurring?
A
0.25
B
0.5
C
0
D
1

1
Step 1: Understand the concept of probability. Probability is a measure of the likelihood of an event occurring, expressed as a number between 0 and 1, where 0 means the event is impossible and 1 means the event is certain.
Step 2: Compare the given probabilities: 0, 0.25, 0.5, and 1. These values represent different levels of likelihood for an event occurring.
Step 3: Recognize that the lowest level of probability corresponds to the smallest numerical value. In this case, 0 represents the lowest probability, indicating that the event cannot occur.
Step 4: Confirm that the other values (0.25, 0.5, and 1) represent higher probabilities, with 1 being the highest, indicating certainty.
Step 5: Conclude that the correct answer is 0, as it represents the lowest level of probability for an event occurring.
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