Maths

• What does a probability of 0 indicate?

  An impossible event.
• What is the definition of probability distributions?


  Probability distributions are mathematical functions that describe the likelihood of different outcomes in an experiment or random process.
• What must the sum of all probabilities in a probability distribution equal?

  The sum of all probabilities in a distribution must equal 1.
• What is an example of a probability distribution for rolling a fair six-sided die?

  The probability distribution assigns a probability of $\frac{1}{6}$ to each number from 1 to 6.
• How are negative numbers used in real-world scenarios?

  They represent quantities such as debt, temperature below freezing, or going backwards.
• Where is zero located on the number line?

  Zero is the origin point on the number line.
• What does a negative number represent in terms of quantity?

  A negative number represents a quantity less than zero.
• What is the distance between any two consecutive whole numbers on the number line?

  The distance between any two consecutive whole numbers is always 1 unit.
• What can be said about the numbers -3 and 3 on a number line?

  -3 and 3 are the same distance from zero, but on opposite sides.
• What does it mean when comparing two negative numbers?

  The number closer to zero is always greater, and the one with the larger absolute value is actually smaller.