Probability and Statistics
Problems related to probability distributions, statistical inference, data analysis, etc.
Problems in this category
Two unbiased coins are tossed, and we need to complete the outcome table and calculate the probabili...
ProbabilityCoin TossEventsProbability Calculation
2025/6/29
We are given a table that partially represents the outcomes of tossing two unbiased coins. We need t...
ProbabilityCoin TossSample SpaceEvents
2025/6/26
The problem requires us to find the probability that when two houses are picked at random, one has a...
ProbabilityHistogramsFrequency Distribution
2025/6/26
The problem requires us to use a cumulative frequency diagram to estimate the median, the lower quar...
Cumulative FrequencyMedianQuartilesInterquartile RangeData Analysis
2025/6/26
The problem provides a cumulative frequency diagram representing the floor area (in $m^2$) of 80 hou...
Cumulative FrequencyMedianQuartilesInterquartile RangeData Interpretation
2025/6/26
The problem provides a cumulative frequency diagram representing the floor area (in $m^2$) of 80 hou...
Cumulative Frequency DiagramMedianQuartilesInterquartile RangeData Analysis
2025/6/26
The problem provides a frequency table showing the distribution of floor areas for 80 houses. Part (...
MeanProbabilityFrequency TableData AnalysisExpected Value
2025/6/26
The problem asks us to estimate the median height and the 40th percentile from a cumulative frequenc...
StatisticsPercentilesMedianCumulative Frequency Diagram
2025/6/25
The problem asks to use a frequency table (presumably from a previous page) to complete the cumulati...
Cumulative FrequencyMedianPercentileData AnalysisStatistics
2025/6/25
The problem provides a table of heights of 120 boys in an athletics club, grouped into classes. (a) ...
ProbabilityStatisticsMeanModal ClassFrequency Distribution
2025/6/25