Difficulty distribution
How the classified questions are distributed by difficulty.
2questions
Easy
2
100%
Probability - General Aptitude - General Aptitude (GA) Previous Year Questions
Practice Probability - General Aptitude - General Aptitude (GA) previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
1Papers
1Years
2Questions
1Topics
Probability question pattern
Every graph below is calculated only from this selection.
Questions by year
Compare question counts across years.
Question type distribution
MCQ, numerical, multiple-select and other formats found in these papers.
2questions
Numerical Answer Type (NAT)
2
100%
Subject weightage
Top subjects by unique question coverage.
Most asked topics
Top topics across the included previous year papers.
Subtopic coverage
Top subtopics inside this exact selection.
Paper coverage
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Included previous year papers
Newest papers appear first. Search these papers or sort by year and name.
| Paper name | Year | Attempt | |
|---|---|---|---|
Biotechnology (BT) 20152015 | 2015 |
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All Probability previous year questions
Practice every matching question in batches of 20, with every available option.
2015 · General Aptitude (GA) · General Aptitude · Probability
Biotechnology (BT) 2015
An isolated population on an island has the following genotypic frequencies:
| Genotype | AA | Aa | aa |
|----------|----|----|----|
| Frequency | 0.3 | 0.4 | 0.3 |
Assuming that there are only two alleles (\(A\) and \(a\)) for the gene, the genotypic frequency of \(AA\) in the next generation will be ______________
2015 · General Aptitude (GA) · General Aptitude · Probability
Biotechnology (BT) 2015
For a discrete random variable \(X\), \(ran(X) = \{0, 1, 2, 3\}\) and the cumulative probability \(F(X)\) is shown below.
| X | 0 | 1 | 2 | 3 |
|----|----|----|----|----|
| F(X) | 0.5 | 0.6 | 0.8 | 1.0 |
The mean value of \(X\) is ______________