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29 Nov 2018
11. Bart has a Cardin calculator and a Klein calculator. The Cardin gives the correct answer 75% of the time, while the Klein gives the right answer 50% of the time. Bart needs to calculate 2 * 3, and he chooses a calculator randomly. Given that the answer he obtains is 5, what is the probability that he used Cardin? (A) 1/8 (B) 1/4 (C) 1/2 (D) 1/3 (E) 3/4 (F) none of the above
11. Bart has a Cardin calculator and a Klein calculator. The Cardin gives the correct answer 75% of the time, while the Klein gives the right answer 50% of the time. Bart needs to calculate 2 * 3, and he chooses a calculator randomly. Given that the answer he obtains is 5, what is the probability that he used Cardin? (A) 1/8 (B) 1/4 (C) 1/2 (D) 1/3 (E) 3/4 (F) none of the above
Jamar FerryLv2
1 Dec 2018