- Laws of Exponents and Radicals
- Logarithm and Other Important Properties in Algebra
- Quadratic Equations in One Variable
- Special Products and Factoring
- Arithmetic, geometric, and harmonic progressions
- Binomial Theorem
- System of Equations
- Variation / Proportional
- Verbal Problems in Algebra
- Probability and Statistics
- Counting Techniques
- Probability
- Probability Problems Involving Cards
- Probability Problems Involving Coins
- Poisson Probability Distribution
- Number of Marbles in a Bag Containing Black and White Marbles
- Probability That 1, 2, 3, 4 of the Recruits Will Receive the Correct Size of Boots
- Probability that a Large Shipment is Accepted or Not Accepted due to Defective Items
- Probability that a Point Inside a Square Will Subtend an Obtuse Angle to Adjacent Corners of the Square
- Probability: A Family of Five Children
- Three Men Shoot and Only One of Them Hits the Target. Find the Probability that it was the First Man
- Duel of Two 50% Marksmen: Odds in favor of the man who shoots first
- Find the probability that somebody is healthy given that they have positive test result?
- Survival Probability Of The 6th Fly that Attempt To Pass A Spider
- What is the Chance of Rain: Local vs Federal Forecasts
- What is the probability that 4 depth charges will sink the submarine?
- Quiz: Random Problems Set 7
Comments
momo
March 4, 2022 - 5:16pm
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Hi. Why does the <em>Exactly
Hi. Why does the Exactly 1 is correct, N1 = 2(4C1) = 8 is multiplied by 2? Thank you in advance for your help!
Jhun Vert
March 4, 2022 - 9:28pm
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Number of ways for the three
Number of ways for the three soldiers to receive the wrong size = 2. Call the the four soldiers A, B, C and D and let A the only one who receive the correct size. B, C and D will then have two ways to receive wrong size for each of them.