..11 Sprint 8:20 PM Math224-W3(Ch4-4. 1 to4.3).pdf 1 of 2 Math224 Werksheet (4.1

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..11 Sprint 8:20 PM Math224-W3(Ch4-4. 1 to4.3).pdf 1 of 2 Math224 Werksheet (4.143 1. Basic N rule) An experiment has 30 possible outcomes, all equaly ikely. An event can occur in 6 ways. Find the probablity of that the event occurs. Which of the following numbers could not posuibly be a probability Justify your answer Abag contans 1S ball-3red, 4 white, $ green and 6blue. If one of the balliielected at random from the bag, whats the probability that its color is ) Red b) red or white? ci not white The following table shows the voting record in a simulated election Find the probability that a randomly selected vote coted for al Adam b) ether David or Edwards c someone other than Adam 5. Construct a Venn diagram representing the event a)(Not A} b)(AorB) (A&B;&C;) 6. the when one de is roled, six possible numbers wa show: 1, 2, 3,4,5,6, Lithe outcomes event (Example: t "event at the de comes up even numbers E.(2.4,6) A eventthat the die comei up 4 or up n event thalt the die comes up at most C event that the die comes up odd numbers D n event that the die comes up S 7 The NBA Finals of basketbal is played in a best of seven series. The number of games necessary to decide a winner can range from 4 to 7. The following tables provides the number of series that were decided for NBA finals from 1950 to 2012 Games Open With Print

Explanation / Answer

1.

Probability of that event = 6/30 = 0.2

2.

Correct option:

e) 2.3

EXPLANATION: Probability cannot be more than 1

3.

(a)

P(Red) = 3/18 = 0.1667

(b)

P(Red OR White) = P(Red) + P(White) = 3/18 + 4/18 = 0.1667 + 0.0.2222 = 0.3889

(c) P(not White) = 14/18 = 0.7778

4.

(a)
P(Adam) = 45513/70684 = 0.6439

(b)

P(David OR Edwards) = 4448/45513 + 2755/45513 = 0.0977 + 0.0605 = 0.1582

(c)

P(Someone other than Adam) = 1 - 0.6439 = 0.3561

FIRST 4 QUESTIONS AS PER GUIDELINES FOR ANSWERING.

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