document.write( "Question 1032824: A card is selected at random from a standard deck of 52 cards. Let
\n" );
document.write( "A = event the card is a heart
\n" );
document.write( "B = event the card is a red card\r
\n" );
document.write( "\n" );
document.write( "Which of the following is (are) true?
\n" );
document.write( "A: P(A or B) = P(A)
\n" );
document.write( "B: P(A or B) = P(B)
\n" );
document.write( "C: P(A and B) = P(B)
\n" );
document.write( "D: P(A and B) = P(A)\r
\n" );
document.write( "\n" );
document.write( "Answers:
\n" );
document.write( "A) A and D
\n" );
document.write( "B) B and C
\n" );
document.write( "C) A and C
\n" );
document.write( "D) B and D \n" );
document.write( "
Algebra.Com's Answer #647414 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! It is B. \n" ); document.write( "Probability a card is a heart is 1/4 and all hearts are red. \n" ); document.write( "Probability a card is red is 1/2. \n" ); document.write( "A or B is the same as B. \n" ); document.write( "A and B is the same as B. \n" ); document.write( " |