Mathematics, 07.05.2021 02:50 diamondgodbee123
A company has developed a new deluxe AAA battery that is supposed to last longer than its regular AAA battery. However these new batteries are more expensive to produce. So the company would like to be convinced that they really do last longer. Based on years of experience, the company knows that its regular AAA batteries last lor 45 hours of continuous use. On average. The company selects an SRS Of 50 new batteries and uses them continuously until they are completely drained. The Sample mean lifetime is X =46.9 hours with a Standard deviation of S=4.6 hours
A) Check for the conditions for the situation
B) Calculate the test statistic for this situation
C) What is the P value for this situation?
D) What conclusion do you draw with 5% significance level? why?
E) What type of error could you possibly make here?
Answers: 3
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