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Opinion on Global Warming Non-Issue Serious Concern Political Democratic 85 415

ID: 3234468 • Letter: O

Question

Opinion on Global Warming

                                                                Non-Issue           Serious Concern

Political                 Democratic             85                             415

Party                     Republican          290                             210

                                Independent         70                            130

From the above table what is the probability that a U.S. adult selected at random is a republican and believes Global Warming is a serious issue?

I need Assistance with this because I have asked a few experts and I see there are different answer. Could some one confirm and agree with one and advise what Probability formal was used to solve.

Answer 1:

Opinion on Global Warming

Non- Issue

Serious Concern

Total

Democratic  

85

415

500

Republican

290

210

500

Independen

70

130

200

Total

445

755

1200

Opinion on Global Warming

Non- Issue

Serious Concern

Total

Democratic  

0.07

0.35

0.42

Republican

0.24

0.18

0.42

Independen

0.06

0.11

0.17

Total

0.37

0.63

1.00

Answer : The probability that a U.S. adult selected at random is a republican and believes Global Warming is a serious issue is 0.18

Answer 2:

Answer: 3

ANSWER 4:

Opinion on Global Warming

Non- Issue

Serious Concern

Total

Democratic  

85

415

500

Republican

290

210

500

Independen

70

130

200

Total

445

755

1200

total democratic is 85+415 500 total republicans 290 210 500 independent 70-130 3200 probability that a random selected adult is a republican is 500/0500 500 200) 5/12 0.416 and the probability for thinking it as a serious issue is 210/290 0.724 so required probability is 0.416 (0.724 0.301

Explanation / Answer

Answers 3 and 4 are both same and give u the correct answer which is 210 /1200 and this can be easily seen at the intersection point of Republicans and serious issue

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