Mathematics, 07.06.2020 00:57 fosofallout46521
Suppose the number of defects in a sweater from a population of sweaters produced from a textile factory are normally distributed with an unknown population mean and a population standard deviation of 0.06 defects. A random sample of sweaters from the population produces a sample mean of x¯=1.3 defects. What value of z should be used to calculate a confidence interval with a 95% confidence level? z0.10 z0.05 z0.025 z0.01 z0.005 1.282 1.645 1.960 2.326 2.576
Answers: 3
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
.
, so 
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Suppose the number of defects in a sweater from a population of sweaters produced from a textile fac...
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