BUAL 2650 Exam 1 Homework Q&A Latest Update

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BUAL 2650 Exam 1 Homework Questions and Correct Answers | Latest 2025/2026 | 100% PASS The z value tells us the number of _______ that a value of x is from the mean - Answer -standard deviation The grade a student received on an examination was transformed to a z value, which was negative. Therefore, we know that he scored - Answer -below the mean If the p-value for testing H0 versus Ha is 0.0174 we will - Answer -Since p-value = .0174 < .05, we will reject the null hypothesis in favor of the alternative when α = .10 and .05. However, we will fail to reject the null hypothesis when α = .01 and .001 since p-value = .0174 > .01. if the sample mean is 1,241.2, sample standard deviation is s= 110.8 and the p-value testing H0 against Ha is 0.0174 Describe how much evidence we have that the new button's mean lifetime exceeds the mean lifetime of the best remote button currently on the market - Answer -With a p-value of .0174, we conclude there is strong evidence that the mean lifetime of the new remote control button is greater than 1200 hours. Values of the standard normal random variable are measured: - Answer -in the number of standard deviations from the mean