MATH 225N WEEK 5 DISCUSSION THE NORMAL DISTRIBUTION 2026 COMPREHENSIVE ASSESSMENT SCRIPT SOLVED QUESTIONS ANSWERS UPDATED REVIEW SET.pdf

MATH 225N WEEK 5 DISCUSSION THE
NORMAL DISTRIBUTION 2026
COMPREHENSIVE ASSESSMENT SCRIPT
SOLVED QUESTIONS ANSWERS UPDATED
REVIEW SET


◉ Line of best fit.
Answer: Also called "regression line", "linear model", "prediction
equation", or "trend line".
Use calculator to find
STAT, edit, input L1 and L2,
Stat, -> CALC,
#4 LinReg


◉ Pythagorean Theorem.
Answer: Only use for Right Triangles
* c is the hypotenuse


◉ Exponent rule for power raised to a power
(1 base with 2 powers).
Answer: Power is outside a parenthesis

, ◉ Distance Formula.
Answer:


◉ Exponent rule for dividing monomials.
Answer: Subtract (big-small) and the answer goes where the bigger
# is.


◉ Exponent rule for negative exponents.
Answer: Moves the term and changes the sign of the exponent. If it's
in the top, it goes to the bottom. If it's in the bottom, it goes to the
top.


◉ Exponent rule for multiplying monomials
(2 of the same base - what do the exponents do?).
Answer: When bases are the same, add exponents


◉ y=mx+b.
Answer: Equation for a line: m= slope and b= y-intercept


◉ "Golden Rule" when solving Inequalities.
Answer: If you multiply or divide both sides on inequality by a
NEGATIVE number, FLIP the inequality sign around!!