Answer:
Hello friends
Step-by-step explanation:
Hope it's helpful
Answer:
3 unidades de comprimento
Step-by-step explanation:
O perímetro é definido como a soma de todos os lados.
O perímetro de um quadrado de lado 2x é dado por:

O perímetro de um retângulo de comprimento x e largura x² é dado por:

Para que ambos os perímetros sejam iguais:

O valor de x é igual a 3 unidades de comprimento.
Answer:
a) Option A)
b) Point estimate of difference = -78
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = $1,503
Sample mean,
= $1,425
Sample size, n = 25
Sample standard deviation, s = $160
We have to carry a hypothesis test that the mean annual premium in Pennsylvania is lower than the national mean annual premium.
a) First, we design the null and the alternate hypothesis
b) Point estimate of the difference between the mean annual premium in Pennsylvania and the national mean
Point estimate of difference =
Mean annual premium in Pennsylvania - National mean

Thus,
Point estimate of difference = -78
Answer:

Step-by-step explanation:
area of square = side x side
thus, each side = square root of area
= 6
= 6
