Still Confused?

Try reviewing these fundamentals first.

Statistics

Organizing outcomesStatistics

Probability of independent eventsAlgebra

Simplifying rational expressions and restrictionsAlgebra

Solving rational equationsStill Confused?

Try reviewing these fundamentals first.

Statistics

Organizing outcomesStatistics

Probability of independent eventsAlgebra

Simplifying rational expressions and restrictionsAlgebra

Solving rational equationsStill Confused?

Try reviewing these fundamentals first.

Statistics

Organizing outcomesStatistics

Probability of independent eventsAlgebra

Simplifying rational expressions and restrictionsAlgebra

Solving rational equationsNope, I got it.

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Basic concepts: Organizing outcomes, Probability of independent events, Simplifying rational expressions and restrictions, Solving rational equations,

- permutation: nPr = number of arrangements of “r” items taken from a set of
“n” distinct items (order matters!!)
= $\frac{{n!}}{{\left( {n - r} \right)!}}$

- combination: nCr = number of selections of “r” items taken from a set of “n” distinct items (order does NOT matter!!) = $\frac{{n!}}{{\left( {n - r} \right)!\;\;r!}}$

- combination: nCr = number of selections of “r” items taken from a set of “n” distinct items (order does NOT matter!!) = $\frac{{n!}}{{\left( {n - r} \right)!\;\;r!}}$

- 1.a) How many ways can two prizes be awarded to a class of 5 students?

• 1st prize = $100

• 2nd prize = $5

b) How many ways can two identical movie tickets be awarded to a class of 5 students?

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