This Question: 1 pt 60120 (0 complete) This Test: 20 pts possibl The age distrib

Question

This Question: 1 pt 60120 (0 complete) This Test: 20 pts possibl The age distribution for politicians in a certain country is shown in the accompanying table. Suppose that a politician is selected at random. Let events A, B, C, and S be defined as follows. Complete parts (a) through (d) below A omnt the politician is under 50 B event the politician is in his or her 50s C event the politician is in his or her 60s S =event the politician is under 70 Number of Politicians Per Age Bracke Click te ion to view the number of politicians in each age bracket. a. Use the table and the IN rule to find P(S) Pls)-D(Type an integer or a decimal Round to three decimal places as needed.) Age (r) No. of politicians Under 50 50-59 60-69 0-79 80 and over 42 17 b. Express event S in terms of events A, B, and C Select the correct answer below Print Done OB. S P(A) P(B)+P(C)-P(A and B)-P(A and C)-P(B and C) C S (A and B and C) D. S.(AorBorC) c. Determine P(A), P(B), and P(C)

Explanation / Answer

a) P(S) =(8+33+42)/101=0.822

b)

option A

c)

P(A) =8/101=0.079

P(B) =33/101 =0.327

P(C) =42/101 =0.416

d)

P(S) =P(A)+P(B)+P(C) =0.822

this is sam as the answer in part (A)

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.