Referring to Scenario 9-3,the consumer group can conclude that there is enough evidence that the manufacturer's claim is not true when allowing for a 5% probability of committing a Type I error.

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The p-value of the hypothesis test is less than the significance level of 0.05, which means that the null hypothesis is rejected. Therefore, there is enough evidence to conclude that the manufacturer's claim is not true. When allowing for a 5% probability of committing a Type I error, this conclusion is still valid.

Referring to Scenario 9-3,the Consumer Group Can Conclude That There