Grade 12 Quizzes, Questions & Answers
Recent Grade 12 Quizzes
Ever wondered what a PDF looks like for a uniform distribution? This quiz shows how probability spreads evenly across an interval and what the density function tells you. You’ll read graphs, interpret heights, and...
Questions: 20 | Attempts: 10 | Last updated: Dec 16, 2025
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Sample QuestionFor a continuous uniform distribution on [a, b], what is the correct probability density function (PDF) f(x)?
This quiz focuses on the concept of Cumulative Distribution Functions (CDF) and their application in discrete and continuous random variables. It covers fundamental questions such as how to calculate cumulative probabilities,...
Questions: 22 | Attempts: 11 | Last updated: Jan 23, 2026
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Sample QuestionWhat is F(0)?
Apply trigonometric motion models to analyze real data from satellites, moons, and planets. You will interpret graphs, calculate maximum and minimum distances, and relate time and position to orbital paths. Through realistic...
Questions: 20 | Attempts: 10 | Last updated: Jan 22, 2026
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Sample QuestionA satellite’s distance from Earth’s center is modeled by d(t) = 6800 + 400 cos(0.25 t) km, where t is in hours. What is the maximum distance?
This final quiz challenges you to apply your knowledge of binomial distributions to solve real-world problems. Whether it’s quality control in manufacturing, sales performance in customer service, or predicting outcomes in...
Questions: 23 | Attempts: 14 | Last updated: Jan 23, 2026
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Sample QuestionWhat is the probability that exactly 2 of the 10 bulbs are defective?
In this quiz, you’ll explore the mean (expected value) and variance of binomial distributions. You’ll calculate the expected number of successes and understand how spread out the results are using the formulas for...
Questions: 22 | Attempts: 10 | Last updated: Jan 23, 2026
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Sample QuestionA binomial distribution has n = 50 trials and probability of success p = 0.4. What is the mean (expected value) of this distribution?
Here, you'll calculate probabilities using the binomial distribution formula. This involves finding the probability of getting a specific number of successes in a fixed number of trials. Using real-world examples like coin...
Questions: 24 | Attempts: 10 | Last updated: Jan 23, 2026
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Sample QuestionWhat is P(X = 5)?
This quiz focuses on identifying whether a situation fits the binomial experiment criteria. A binomial experiment involves a fixed number of trials, each with two possible outcomes (success or failure), constant probability of...
Questions: 21 | Attempts: 10 | Last updated: Jan 23, 2026
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Sample QuestionWhich of the following situations represents a binomial experiment?
Ready to connect even–odd patterns to the unit circle? In this quiz, you’ll use radians and coordinates on the circle to explain why sine changes sign but cosine doesn’t when angles are reflected across the...
Questions: 20 | Attempts: 10 | Last updated: Jan 22, 2026
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Sample QuestionConvert 150 degrees to radians.
Connect the algebra to the circle. Convert degrees↔radians, read (cos θ, sin θ) from the unit circle, and use quadrant signs to evaluate sin, cos, and tan. By the end, your quotient identities will feel as...
Questions: 20 | Attempts: 10 | Last updated: Jan 22, 2026
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Sample QuestionConvert 225° to radians.
Know where functions live—and where they blow up. Use unit-circle coordinates and radian angles to decide when sec, csc, and cot are defined, evaluate exact values, and solve short equations. Master the “allowed...
Questions: 20 | Attempts: 10 | Last updated: Jan 22, 2026
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Sample QuestionWhich reciprocal identity is always true?
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