Consider below the branching tree diagram based on the number per 3000 American adults. 
LetT = the set of Americans who like classical music R = the set of Republicans who like classical music D = the set of Democrats who like classical music I = the set of Independents who like classical musicDetermine whether the statement is true or false.If x ? D, then x? R.
A. True
B. False
Answer: A
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Evaluate the integral.
A. 80 B. 30 C. 5 D. 480
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400
Add.90.12 + 90.22 + 32.052
A. 212.402 B. 212.492 C. 213.392 D. 212.392
Find decimal notation for the number(s) in percent notation.The telethon raised 220% of its anticipated goal.
A. 22 B. 2.2 C. 0.220 D. 220