إحـــــــــــــــــــ ـــــــــــstatـــــــــــ.ـــــــصـــــــــــــــ ـــآآء... |!~

[iShooda]

an ID card consists of 2 letters followed by 3 digits . how many different ID cards can be made if repetitions are allowed ?

___________________________________

the complement of guessing 10 incorrect answers on a 10 ques. true\false is

a) guessing at least 1 correct
b) guessing 10 incorrect
c) guessing 10 correct
d) guessing at least 1 incorrect

_____________________________________

predict a statistics II quiz score for a student who receives a 10 in statistics I

a) 15.2
b) 17.1
c) 3.1
d) 2.7