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A manufacturer of light bulbs advertises that, on average, its long-life bulb will last for more than 5,000 hours. To test the claim, a statistician took a random sample of 100 bulbs and measured the amount of time until each bulb burned out. Can we conclude at the 5 percent level of significance that the claim is true?
Required:
H0:			5,000
Ha:		>	5,000
Using the data contained in tab "Bulb Lifetime hours", determine the following:
Sample Mean	5,064.96
Sample Standard Deviation	411.101524
Sample Size	100
t =
p-value:
Do you reject or not reject the null hypothesis at alpha = 0.05?		since p-value is		alpha.

what formula is t value answers