engineering recuitment GATE EE 2023-24 Test Series Engineering Mathematics Probability and Statistics Sampling Theorems
Seven chits are numbers 1 to 7. The probability that the least number on any selected chit is 5, if the three are drawn one by one with replacement and without a replacement will be respectively.
1
\(\frac{{27}}{{343}}\;{\rm{and}}\;\frac{6}{{343}}\)
2
\(\frac{{27}}{{343}}\;{\rm{and}}\;\frac{1}{{35}}\)
3
\(\frac{6}{{343}}{\rm{\;and\;}}\frac{{27}}{{343}}\)
4
\(\frac{{27}}{{343}}{\rm{\;and\;}}\frac{{27}}{{343}}\)