12/18 = x/9
108/18 = x
x = 6
682/999 = 0,6826826827 and it's
Answer:
a
Step-by-step explanation:
Answer:
0.648
No, that is not an unusually low number of correct guesses.
Step-by-step explanation:
Suppose you take a 15 question True or False quiz and you guess on every problem. You only get 3 correct. Then
- correct;
- o\incorrect.
The probability of getting 3 or fewer correct guesses is

Using the criteria that a number 3 is unusually low if P(3 or fewer) ≤ 0.05, we can state that 3 is not an unusually low number of correct guesses.
Answer:
yes
Step-by-step explanation: