The null and alternative hypothesis are H0 : μ = 444; Ha : μ < 444.
In the given question we have to determine the decision rule for rejecting the null hypothesis.
A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 444 gram setting.
[tex]\mu_{0}[/tex] = 444
A 9 bag sample had a mean of 441 grams with a standard deviation of 25.
A level of significance of 0.025 will be used.
There have claim that the machine is underfilling the bags.
So , the null and alternative hypothesis are
H0 : μ = 444
Ha : μ < 444
To learn more about null and alternative hypothesis link is here
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