5. Television manufacturer claims that its 50 inches TV consumes just 110 watts of electricity. In...
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5. Television manufacturer claims that its 50 inches TV consumes just 110 watts of electricity. In a previous study the standard deviation (s) of electricity consumption is estimated as 11.2 watts for these sets. How many sets must be tested for the firm to be 95% confidence that its sample mean does not differ from the true population mean by more than 3.0 watts? State nu lon. hat is the p-v (you ca lue ble, or from T 5. Television manufacturer claims that its 50 inches TV consumes just 110 watts of electricity. In a previous study the standard deviation (s) of electricity consumption is estimated as 11.2 watts for these sets. How many sets must be tested for the firm to be 95% confidence that its sample mean does not differ from the true population mean by more than 3.0 watts? State nu lon. hat is the p-v (you ca lue ble, or from T
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