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Softa [21]
3 years ago
14

Oprah looks at this histogram of a distribution with a mean of 6.7 grams

Mathematics
1 answer:
Olin [163]3 years ago
3 0

Answer:

68% of  the data is between 5.7 and 7.7 grams.

Step-by-step explanation:

According to the empirical rule for a normal distribution, 68% of data falls within one standard deviation, 95% of data falls within two standard deviation and 99.7% of data falls within three standard deviation.

Given that:

mean (μ) = 6.7 grams, standard deviation (σ) = 1 gram.

From the empirical rule:

68% of  the data is between one standard deviation i.e μ ± σ = 6.7 ± 1 = 5.7, 7.7

Therefore 68% of  the data is between 5.7 and 7.7 grams.

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jolli1 [7]
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