The probability that a person makes an A in College Algebra is 0.20. The probabi

Question

The probability that a person makes an A in College Algebra is 0.20. The probability that a person got an A in College Algebra given than he or she had a 30 on the ACT test is 0.45. What is the probability of getting an A in College Algebra and getting a 30 on the ACT test? 0.09 0.90 0.44 0.25 A single card is drawn from a deck. What is the probability of selecting a queen or a heart? 17/52 4/13 15/52 9/26 The probability that John and Sue go to the movies is 0.35. The probability that Sue goes to the movies is 0.5. What is the probability that John goes to the movies given that Sue goes? 0.7 0.175 0.15 0.85

Explanation / Answer

P( A in college Algebra )=0.2

P(got A in college Algebra given that person got 30 in ACT)=P( A in college Algebra and getting 30 in ACT)/P( getting 30 on ACT )

Thus, P( A in college Algebra and getting 30 in ACT)=0.2*0.45 =0.9 answer B

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