Probability and Statistics
Problems related to probability distributions, statistical inference, data analysis, etc.
Problems in this category
There are 24 apples in a box, 6 of which are bad. Three apples are taken from the box at random, wit...
ProbabilityIndependent EventsConditional ProbabilityCombinatorics
2025/4/21
The problem describes a bus transporting students for a multisport competition. Initially, there ar...
ProbabilityWord ProblemAlgebraBasic Arithmetic
2025/4/21
The problem provides data on the hair color of 30 people. The frequencies for Brown, Ginger, and Blo...
Data RepresentationPie ChartFrequencyAngles
2025/4/21
The problem provides a table with the frequency of meals ordered at a restaurant. The meals are Curr...
Data AnalysisPie ChartsFractionsPercentages
2025/4/21
The problem provides a table showing the frequency of meal orders at a restaurant: Curry (29), Pizza...
Pie ChartsData AnalysisFractionsPercentages
2025/4/21
The table shows the favorite subjects of students in a class. The frequencies are: Maths: 4, Science...
FractionsPie ChartsData AnalysisPercentages
2025/4/21
40 people answered a survey about their favourite book genres. The results are displayed in a pie ch...
Pie ChartPercentagesData AnalysisProportions
2025/4/21
700 people were asked about their favorite activity. We are given a pie chart displaying the results...
Pie ChartsFractionsPercentagesData InterpretationRounding
2025/4/21
We are given a table representing the distribution of salaries (in thousands of FCFA) of 210 employe...
Descriptive StatisticsFrequency DistributionMeasures of Central TendencyMeasures of DispersionSkewnessQuartilesMeanVarianceStandard DeviationCoefficient of VariationGini IndexSalary AnalysisStatistical Analysis
2025/4/20
The problem provides a table showing the distribution of job seekers by gender and age group in a lo...
Descriptive StatisticsHistogramsFrequency PolygonsCumulative FrequencyMeasures of Central TendencyMeasures of DispersionMeanMedianQuartilesVarianceStandard DeviationCoefficient of Variation
2025/4/20