number of two-digit numbers:
10, 11, ... , 99, ----> 90 of them (1 - 9 are missing)
smaller than 20:
10,11, ... , 19 ----> 10 of them
prob( < 20) = 10/90 = 1/9
use the same type of analysis for the two other parts, let me know what you get.
A two-digit number is written down at random.Find the probability that the number will be
A)Smaller than 20
B)Even
C)Multiple of 5
4 answers
10/90
=1/9
=1/9
Nice
It will to self study
It will to self study
i cannot understand