Table of contents
- 1. Introduction to Statistics(0)
- 2. Describing Data with Tables and Graphs(0)
- 3. Describing Data Numerically(0)
- 4. Probability(0)
- 5. Binomial Distribution & Discrete Random Variables(0)
- 6. Normal Distribution & Continuous Random Variables(0)
- 7. Sampling Distributions & Confidence Intervals: Mean(0)
- 8. Sampling Distributions & Confidence Intervals: Proportion(0)
- 9. Hypothesis Testing for One Sample(0)
- 10. Hypothesis Testing for Two Samples(0)
- 11. Correlation(0)
- 12. Regression(0)
- 13. Chi-Square Tests & Goodness of Fit(0)
- 14. ANOVA(0)
4. Probability
Multiplication Rule: Independent Events
4. Probability
Multiplication Rule: Independent Events: Videos & Practice Problems
38 of 0
Problem 38Multiple Choice
A study on screen habits and sleep patterns collected survey results from high school students aged and older. The table below summarizes responses based on whether students used electronic devices right before bed and whether they reported poor sleep quality.

If four different high school students are randomly selected from the group represented in the table below, find the probability that all four used electronic devices before bed.
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