A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly...

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A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly...

A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 440 gram setting. Is there sufficient evidence at the 0.05 level that the bags are underfilled? Assume the population is normally distributed.

State the null and alternative hypotheses for the above scenario.

math Statistics-And-Probability

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Answer 1

Answer #1

This is the left tailed test .

The null and alternative hypothesis is

H₀ : = 440

H_a : < 440

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Answer 2

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