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(CO 5) A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 720 hours. A random
(CO 5) A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 720 hours. A random sample of 51 light bulbs as a mean of 701.6 hours with a population standard deviation of 62 hours. At an a=0.05, can you support the company's claim? Claim is the null, reject the null and cannot support claim as the p-value (0.017) is less than alpha (0.05) Claim is the null, fail to reject the null and support claim as the p-value (0.017) is greater than alpha 10.05 Claim is the alternative, reject the null and support claim as the p-value (0 017) is greater than alpha (0.051 Claim is the alternative, fall to reject the null and cannot support claim as the p-value (0.017) is less than alpha (0.05)
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