Process outputs parts having normal distribution

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Reference no: EM131725361

1. A manufacturing process outputs parts having a normal distribution with a mean of 30 cm and standard deviation of 2 cm. From a production sample of 80 parts, what proportion of the sample can be expected to fall between 26 and 34 cm?

95%

50%

90%

68%

2. A process that transforms any normal distribution into one having mean = 0 and standard deviation = 1 is a:

normal approximation to the binomial

permutation

Poisson transformation

Z transformation

Reference no: EM131725361

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