Answer: 3/5 probability of choosing a number LESS THAN 8
Solution :
Group Before After
Mean 693.75 743.75
Sd 155.37 143.92
SEM 54.93 50.88
n 8 8
Null hypothesis : The preparation course not effective.

Alternative hypothesis : The preparation course is effective in improving the exam scores.
(after - before)
Hola!
La respuesta a esta ecuación es: x=20
Answer:
14
Step-by-step explanation:
7+5+1+1
plz give brainliest
Answer:
YES, he would be able to form a triangle with these tree sticks
Step-by-step explanation:
The sum of the lengths of any two sides of a triangle is greater than the length of the third side. And this MUST be true with all combinations
10+12 is greater than 15
10+15 is greater than 12
15 +12 is greater than 10