OpenStax, Introductory Statistics 2e §3.1 Terminology · Exercise 3 · Probability · Counting & chance
Terminology · Exercise 3
A box is filled with several party favors. It contains 12 hats, 15 noisemakers, ten finger traps, and five bags of confetti. One party favor is chosen from the box at random.
Let H = the event of getting a hat.
Let N = the event of getting a noisemaker.
Let F = the event of getting a finger trap.
Let C = the event of getting a bag of confetti.
Find P(N).
OpenStax, Introductory Statistics 2e · §3.1 Terminology · Exercise 3
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