Mathematics, 12.04.2021 23:00 JThomas04
Formulate the appropriate null and alternative hypothesis to test the following claims.
(a) A plastics production engineer claims that 99.95% of the plastic tube manufactured by her company meets the engineering specifications requiring the length to exceed 6.5 inches.
(b) A chemical and process engineering team claims that the mean temperature of a resin bath is greater than 45 degrees Celsius.
(c) The proportion of start-up software companies that successfully market their product within 3 years of company formation is less than 0.05. (d) A chocolate bar manufacturer claims that at the time of purchase by a consumer, the mean life of its product is less than 90 days.
(e) The designer of a computer laboratory at a major university claims that the standard deviation of time of a student on the network is less than 10 minutes.
(f) A manufacturer of traffic signals advertises that its signals will have a mean operating life in excess of 2160 hours.
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Formulate the appropriate null and alternative hypothesis to test the following claims.
(a) A plast...
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