3. The number of flaws per square yard in a type of carpet material varies, with mean 1.6 flaws per square yard and standard deviation 1.2 flaws per square yard. The distribution is not normal--in fact, it is discrete. An inspector studies 200 random square yards of the material, records the number of flaws found in each square yard, and calculates the mean number of flaws per square yard inspected. Use the central limit theorem to find the approximate probability that the mean number of flaws exceeds 2 per square yard.

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3. The number of flaws per square yard in a type of carpet material varies,
with mean 1.6 flaws per square yard and standard deviation 1.2 flaws per
square yard. The distribution is not normal--in fact, it is discrete. An
inspector studies 200 random square yards of the material, records the
number of flaws found in each square yard, and calculates the mean number
of flaws per square yard inspected. Use the central limit theorem to find the
approximate probability that the mean number of flaws exceeds 2 per square
yard.
Transcribed Image Text:3. The number of flaws per square yard in a type of carpet material varies, with mean 1.6 flaws per square yard and standard deviation 1.2 flaws per square yard. The distribution is not normal--in fact, it is discrete. An inspector studies 200 random square yards of the material, records the number of flaws found in each square yard, and calculates the mean number of flaws per square yard inspected. Use the central limit theorem to find the approximate probability that the mean number of flaws exceeds 2 per square yard.
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