Answer:
-4
Step-by-step explanation:
3x+1=-11
-1 -1
3x=-12
/3 /3
x = -4
Answer:
The process of digging a site includes
D or B
Answer:
x<-3
Step-by-step explanation:
-7x+6/3 >9
-7x+6 >27
-7x>27-6
-7x>21
-x>3
x<-3
Answer:
a. 4.33.
Step-by-step explanation:
If there is only one correct answer out of four alternatives, the expected proportion of correct answers is p =0.25
Sample size (n) = 100 questions
The standard deviation of a proportion 'p' is given by:
Applying the given data:
If X is the number of correct responses in 100 guesses, the standard deviation of X is:
The standard deviation of X is 4.33 questions.
Answer:
D.
Step-by-step explanation:
The formula for this conversion is:
Substitute the values you currently have.
Since we know that
a = 5
x = 7
n = 3
Fill the square root with this.