csat-suneung 2018 Q13

csat-suneung · South-Korea · csat__math-science 3 marks Conditional Probability Combinatorial Conditional Probability (Counting-Based)

A die is rolled twice. Given that the number 6 does not appear at all, what is the probability that the sum of the two numbers is a multiple of 4? [3 points]
(1) $\frac { 4 } { 25 }$
(2) $\frac { 1 } { 5 }$
(3) $\frac { 6 } { 25 }$
(4) $\frac { 7 } { 25 }$
(5) $\frac { 8 } { 25 }$

A die is rolled twice. Given that the number 6 does not appear at all, what is the probability that the sum of the two numbers is a multiple of 4? [3 points]\\
(1) $\frac { 4 } { 25 }$\\
(2) $\frac { 1 } { 5 }$\\
(3) $\frac { 6 } { 25 }$\\
(4) $\frac { 7 } { 25 }$\\
(5) $\frac { 8 } { 25 }$

Paper Questions

Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23 Q24 Q25 Q26 Q27 Q28 Q29 Q30