Starre Sent N Drafts A plant in the manufacturing sector is concerned about its

Question

Starre Sent N Drafts A plant in the manufacturing sector is concerned about its sulfur dioxide emissions. The weekly sulfur dioxide emissions follow a normal distribution with a mean of 1000 ppm (parts per million) and a standard deviation of 25. Recently, a "cleaner" technology has been adopted. In such a scenario, the CEO would like to investigate whether there has been a significant change in the emissions and has hired you for advice. In other words, the CEO wants to know if the mean level of emissions is different from 1000, what decision do you arrive at for the 12% level of significance? More la Select one: a. Reject Ho b. Accept Ho c. Fail to reject Ho d. None of these No Han Fing Next page

Explanation / Answer

We will reject H0 at 12% of significance because that's very high level of significance and p value would be less than this

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