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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 705.4 hours with a population standard deviation of 62 hours. At an ?=0.05, can you support the company's claim?

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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 sample of 51 light bulbs as a mean of 705.4 hours with a population standard deviation of 62 hours. At an c=0.05, can you support the company's claim? (in) Claim is the null, reiect the null and cannot support claim as p-value (0.046) is less than alpha (0.05} 0 Claim is the alternative, tail to reject the null and cannot support claim as the p-value (0.045) is less than alpha (0.10} 0 Claim is the null, fail to reject the null and support claim as p-value (0.092) is greater than alpha (0.05) 0 Claim is the alternative, reject the null and support claim as p-value (0.046) is greater than alpha (0.05) {CC 5} A restaurant claims the customers receive their food in less than 16 minutes. A random sample of 39 customers nds a mean wait time for food to be 15.8 minutes with a population standard deviation of 0.? minutes. At o = 0.04, can you support the organizations\" ctaim? 6': Claim is the alternative, reject the null so support the claim as the pvalue (0.03?) is less than alpha (0.04) 0 Claim is the alternative, fail to reject the null so cannot support the claim as the p-value (0.037) is greater than alpha {0.04) 0 Claim is the null, fail to reject the null so support the claim as the p-value (0.037) is greater than alpha {0.04) 0 Claim is the null, reject the null so cannot support the claim as the p-value (0.03?) is less than alpha (0.04)

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