The numbers of emails received by 18 students in a class one Monday are given below. 4 12 14 6 3 6 9 7 11 8 7 11 14 6 13 5 12 9 Complete the grouped frequency table for these emails. Number of emails | Frequency ------------------|---------- 0 to 5 | 6 to 10 | 11 to 15 |

1. (a)Complete the grouped frequency table for these emails.[1]
2. (b)A student is chosen, at random, from a different class. The probability that this student received five emails is 9/20 Write down the probability that this student did not receive five emails.[1]