Statistics for Data Science I, Quiz 2
Administration section of a university has started to create roll numbers for the students, following the format ‘23Z174’ using the digits 1, 2, 3, 4, 5, 6, 7 and a capital letter at the third position. Assume no digits are repeated. Find the number of ways in which the administration section can create a unique roll number.
Administration section of a university has started to create roll numbers for the students, following the format ‘23Z174’ using the digits 1, 2, 3, 4, 5, 6, 7 and a capital letter at the third position. Assume no digits are repeated. Find the number of ways in which the administration section can create a unique roll number. In a school, there are 3 students in section-A, 4 students in section-B and 5 students in section-C. Find the number of ways, in which 8 students can be selected such that it includes at least 2 students from each section and at most 5 students from the total 7 students in section-A and section-B. Figure from the original question paper