6. Roberto, Clarice, Dominique, Marco, and John work for a publishing company. T

Question

6. Roberto, Clarice, Dominique, Marco, and John work for a publishing company. The company wants to send two will have their names drawn from a hat. sample space of the experiment. That is, list all possible simple randoms probability that Roberto and John attend the conference? (c) What is the probability that John attends the conference? to a statistics conference. To be fair, the company decides that the two individuals who get to attend This is like obtaining a simple random sample of size 2. (a) Determine t amples of size n 2. (b) What is the (a) Choose the correct answer below. (Note that each person is represented by the first letter in their name.) ?A. RC, RD, RM, RJ, CD. CM, CJ. DM, DJ, MJ. RR, CC, DD, MM, JJ O B. RC, RD, RM, RJ, CD, CM, CJ, DM, DJ, MJ O D. RC, RD, RM, RJ (b) The probability that Roberto and John attend the conference is Type an integer or a simplified fraction.) (c) The probability that John attends the conference is (Type an integer or a simplified fraction.)

Explanation / Answer

a) as we need to select 2 out of 5 ; for whcih number of samples =5C2 =5!/(3!*2!) =10

option B is correct

b)

as Ronaldo and John attending is one sample out of 10 equally possible sample ;hence probability =1/10

c)

as John is their 4 times in sample space out of 10 equally possible sample ; hence probability =4/10 =2/5

Related Questions

Navigate

• Browse (All)
• Browse 6
• Subjects

---

---

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