The answer is 4.1
If the number is below 5, you round down, if it's 5 or above, you round up.
Answer:

Step-by-step explanation:
As the numbers are only between 1 and 30
Total number of possible combinations = 30×30×30 = 27000
If there are 100 attempts then

∴ Probability someone can guess the correct combination given 100 attempts is 
Answer:
x = 4
Step-by-step explanation:
doesn't pass the vertical line test
Answer:
u will get a option like this when u put ur question then u can add photos!!