A survey of people asked their political stance and their preferred ice cream fl

Question

A survey of people asked their political stance and their preferred ice cream flavor, with the following results: 9. Chocolate Vanilla Strawberry emocrat0.150.24 Republicarn 0.07 0.08 0.08 0.05 0.02 0.26 Independent 0.05 a. What is the probability that a randomly selected person from the survey is b. What is the probability that a randomly selected person from the survey is a chocolate c. What is the probability that a randomly selected person from the survey is a Democrat Independent? loving Republican or a Vanilla loving Democrat? or likes Strawberry?

Explanation / Answer

probability=favourable outcome/total outcomes

=0.05+0.08+0.02/sum of all given outcomes

=0.15/1=0.15

b)for or we will use intersection

Probability of A or B (1 of 3) If events A and B are mutually exclusive, then the probability of A or B is simply: p(A or B) = p(A) + p(B).

so in this case P(a)=0.26/1

P(B)=0.24/1

p(A or B) = p(A) + p(B).

=0.26+0.24

.50

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

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