Abank assigns random 4-digit numbers for atm access codes. in each code, no digit is repeated. use combinations to find the number of ways that 4 digits can be chosen from 10 digits, if order is not important. what is the probability that edmund is assigned a code with the digits 6, 7, 8, and 9 in any order

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000