Data taken from a sample of 25 LED lamps, the average sample size is 2 years and the population standard deviation is =0

[answerhappygod]

Data Taken From A Sample Of 25 Led Lamps The Average Sample Size Is 2 Years And The Population Standard Deviation Is 0 1 (13.83 KiB) Viewed 21 times

Data taken from a sample of 25 LED lamps, the average sample size is 2 years and the population standard deviation is =0.5 years. The estimator of the average lifetime value of LED lamps at the 95% confidence level/coefficient and from the normal distribution table obtained P(Z < 1.96)=0.975 and P(Z<1.645)=0.95 is A. 2 ± 0,10 Zalpha/2, Zalpha/2 = 1,96 B. other C. 2 ± 0,05 Zalpha/2, Zalpha/2 = 1,96 D. 2 ± 0,01 Zalpha/2, Zalpha/2 = 1,645