Solution-Normal distribution with the mean

Normal distribution with the mean

Reference no: EM131087338

A factory machine cuts metal wire into strips. The length of the strips is known to follow a normal distribution with the mean of 10 cm and variance of 9 cm2.

(a) What is the probability that a randomly selected strip will be longer than 12 cm?

(b) What proportion of strips are as short or shorter than 1.5 standard deviations from the mean?

Reference no: EM131087338

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Normal distribution with the mean

Reference no: EM131087338

Reference no: EM131087338

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