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The following contingency table shows the results of a random survey of age and attitude to increasing the legal driving age to 21 years. Agree

The following contingency table shows the results of a random survey of age and attitude to increasing the legal driving age to 21 years.

Agree

Disagree

Unsure

Total

Under 25 years

94

98

89

198

25 up to 50 years

68

99

89

256

Over 50 years

13

31

85

129

Total

175

228

180

583

For this sample, what is the probability that a person is over 50 years OR disagrees with increasing the legal driving age? Please give your answer correctly rounded to two decimal places.

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