Solution: We are given:
μ=180,σ=25,n=100
Therefore the standard error of the mean is



Answer:
see explanation
Step-by-step explanation:
let the number be x , then
x = 44.3 ← is the equation
Answer:
A
Step-by-step explanation:
This is because 6f+f is just 7f.
f f f f f f+f = fffffff
Soooo, ONLY A gives us 7f when added together again.
f+5f+f=7f.
f+ f f f f f +f = fffffff
Answer:
Función inversa
Step-by-step explanation:
Answer:
Step-by-step explanation:
The difference of two squares:
a²-b² = (a - b) ( a + b)
a²-b² = a² + ab -ab +b²