Homework: Chapter3 Score: 0.75 of 1 pt 17 of 38 (38 complete) HIV Score: 98 03%,

Question

Homework: Chapter3 Score: 0.75 of 1 pt 17 of 38 (38 complete) HIV Score: 98 03%,37 25 of 38 pts 3.2.23 In a sample of 900 U.S adults, 191 dine out at a resaurant (a) Find the probability that both adults dine out more than once per week The probability that both adults dine out more than once per week is 0.045 more than once per week. Two U.S. adults are selected at random from the population of all US adults of al U.S. adults, complete parts (a) through (d). Round to three decimal places as needed) (b) Find the probability that neither adult dines out more than once per week Round to three decimal places as needed) (c) Find the probability that at least one of the two adults dines out more than once per week The probability that at least one of the two adults dines out more than once per week is Round to three decimal places as needed)

Explanation / Answer

Ans:

Given that

191 out of 900 dine out at a restuarant.

a)P(both dine out)=(191/900)*(190/899)=0.045

b)P(nether dine out)=(709/900)*(708/899)=0.620

c)P(atleast one dine out)=1-P(neither dine out)=1-0.620=0.380

or

P(ateast one dine out)=P(one of them dine out)+P(both dine out)

=2*(191/900)*(709/899)+(191/900)*(190/900)=0.380

Related Questions

Navigate

• Browse (All)
• Browse H
• Subjects

---

---

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