One company's bottles of grapefruit juice are filled by a machine that is set to dispense an average of 180 milliliters (ml) of liquid. A quality-control inspector must check that the machine is working properly. The inspector takes a random sample bottles and measures the volume of liquid in each bottle. We want to test Ho: μ = 180 Ha: 180 where μ = the true mean volume of liquid dispensed by the machine. The mean amount of liquid in the bottles is 179.6 ml the standard deviation is 1.3 ml. A significance test yields a P-value of 0.0589. Interpret the P-value. Assuming the true mean volume of liquid dispensed by the machine is 180 ml, there is a 0.0589 probability of gettin sample mean of 179.6 just by chance in a random sample of 40 bottles filled by the machine. Assuming the true mean volume of liquid dispensed by the machine is 180 ml, there is a 0.0589 probability of gettin sample mean at least as far from 180 as 179.6 (in either direction) just by chance in a random sample of 40 bottles fil by the machine. The probability that the alternative hypothesis is true is 0.0589. Assuming the true mean volume of liquid dispensed by the machine is 180 ml, there is a 0.0589 probability of gettin sample mean no greater than 179.6 just by chance in a random sample of 40 bottles filled by the machine. habilit 0.0590

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One company's bottles of grapefruit juice are filled by a machine that is set to dispense an average of 180 milliliters (ml) of
liquid. A quality-control inspector must check that the machine is working properly. The inspector takes a random sample of 40
bottles and measures the volume of liquid in each bottle.
We want to test
Hg: μ = 180
Ha: 180
where μ = the true mean volume of liquid dispensed by the machine. The mean amount of liquid in the bottles is 179.6 ml and
the standard deviation is 1.3 ml. A significance test yields a P-value of 0.0589.
Interpret the P-value.
Assuming the true mean volume of liquid dispensed by the machine is 180 ml, there is a 0.0589 probability of getting a
sample mean of 179.6 just by chance in a random sample of 40 bottles filled by the machine.
Assuming the true mean volume of liquid dispensed by the machine is 180 ml, there is a 0.0589 probability of getting a
sample mean at least as far from 180 as 179.6 (in either direction) just by chance in a random sample of 40 bottles filled
by the machine.
The probability that the alternative hypothesis is true is 0.0589.
Assuming the true mean volume of liquid dispensed by the machine is 180 ml, there is a 0.0589 probability of getting a
sample mean no greater than 179.6 just by chance in a random sample of 40 bottles filled by the machine.
The probability that the null hypothesis is true is 0.0589.
Transcribed Image Text:One company's bottles of grapefruit juice are filled by a machine that is set to dispense an average of 180 milliliters (ml) of liquid. A quality-control inspector must check that the machine is working properly. The inspector takes a random sample of 40 bottles and measures the volume of liquid in each bottle. We want to test Hg: μ = 180 Ha: 180 where μ = the true mean volume of liquid dispensed by the machine. The mean amount of liquid in the bottles is 179.6 ml and the standard deviation is 1.3 ml. A significance test yields a P-value of 0.0589. Interpret the P-value. Assuming the true mean volume of liquid dispensed by the machine is 180 ml, there is a 0.0589 probability of getting a sample mean of 179.6 just by chance in a random sample of 40 bottles filled by the machine. Assuming the true mean volume of liquid dispensed by the machine is 180 ml, there is a 0.0589 probability of getting a sample mean at least as far from 180 as 179.6 (in either direction) just by chance in a random sample of 40 bottles filled by the machine. The probability that the alternative hypothesis is true is 0.0589. Assuming the true mean volume of liquid dispensed by the machine is 180 ml, there is a 0.0589 probability of getting a sample mean no greater than 179.6 just by chance in a random sample of 40 bottles filled by the machine. The probability that the null hypothesis is true is 0.0589.
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