Mathematics, 19.04.2021 16:00, KindaSmartPersonn

NeverReady batteries has engineered a newer, longer-lasting AAA battery. The company claims this battery has an average life span of 17 hours with a standard deviation of 0.8 hours. Your statistics class questions this claim. You randomly select 30 batteries and find that the sample mean life span is 16.7 hours. If the process is working properly,

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NeverReady batteries has engineered a newer, longer-lasting AAA battery. The company claims this bat...