5. -6.66 points WaneFMAC7 8.3.014 My Notes Ask Your Teacher An experiment is giv

Question

5. -6.66 points WaneFMAC7 8.3.014 My Notes Ask Your Teacher An experiment is given together with an event. Find the (modeled) probability of each event, assuming that the dice are distinguishable and fair, and that what is observed are the numbers uppermost. Two dice are rolled; the numbers add to 8. Submit Answer Save Progress 6. 6.66 points WaneFMAC7 8.4.005. My Notes Ask Your Teacher Recall from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing three red marbles, three green ones, two white ones, and one purple one. She grabs five of them. Find the probability of the following event, expressing it as a fraction in lowest terms. HINT [See Example 1.] She has two red ones and one of each of the other colors. -/6.66 points WaneFMAC7 8.4.001 My Notes Ask Your Teacher Recall from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing four red marbles, two green ones, five white ones, and three purple ones. She grabs eight of them. Find the probability of the following event, expressing it as a fraction in lowest terms. HINT [See Example 1. She has all the red ones.

Explanation / Answer

Solution:

When two dice are rolled we get following sample space

when both dice number add to 8 = (2,6) , (3,5), (4,4) ,(5,3) , (6,2)

we have 5 events out of 36 event that show sum = 8

Required probablity = 5/36

Answer: 5/36

Solution:

total number of balls in the bag = 9

Required probability = (3/9)*(2/8)* ( 3/7)*(2/6)*(1/5)

= (1/3)*(1/4)*(3/7)*(1/3)*(1/5)

= 1/(3*4*5*7)

= 1/420

Answer: 1/420

Solution:

total number of balls = 15

there is only 4 red marbles

therefore probablity for drawing 8 red marbels = 0

Answer: 0

(1,1) (1,2) (1,3) (1,4) (1,5) (1,6) (2,1) (2,2) (2,3) (2,4) (2,5) (2,6) (3,1) (3,2) (3,3) (3,4) (3,5) (3,6) (4,1) (4,2) (4,3) (4,4) (4,5) (4,6) (5,1) (5,2) (5,3) (5,4) (5,5) (5,6) (6,1) (6,2) (6,3) (6,4) (6,5) (6,6)

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