EXERCISE 6WORK OUT EACH PROBLEM. FOR QUESTIONS 1–4, CIRCLE THE LETTER...

3. If one student is chosen randomly out of agroup of seven students, then one student isIf a point is selected at random from the largeagain chosen randomly from the same group ofcircular region, what is the probability that theseven, what is the probability that two differentpoint will lie in a shaded portion of that circle?students will be chosen?(A)

³⁶

₄₉

(B)

⁶

₇

(C)

¹⁹

₂₁

(D)

¹³

₁₄

RETEST

Answer questions 1–12. Question 9 is a “grid-in” (student-produced response) question; all other questions arestandard multiple-choice. Try to answer questions 1 and 2 using trigonometry.