A supplier of metallic wires has sold you a batch, where the average breaking po...

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A supplier of metallic

wires has sold you a batch, where the average breaking point is guaranteed to be

μ₀ = 70kg with standard deviation of σ = 5kg

. The quality

control believes that the breaking point is

higher

 than specified.

In a sample of size

n = 115, the average breaking point was  = 70.5kg.

Taken Significance Level of 0.20, the Acceptance Region

for H

₀  (μ

=

μ

₀) is (find the closest answer):

[0, μ₀ + 0.3)

0%

[0, μ₀ + 0.5)

0%

[0, μ₀ + 0.4)

100%

[0, μ₀ + 0.6)

0%

[0, μ₀ + 0.2)

0%

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