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polet [3.4K]
3 years ago
8

In music, a quaver is one-eighth of a semibreve (whole note). What fraction of a semibreve is a hemidemisemiquaver? (Hint: hemi-

, demi-, and semi- are prefixes each of which represents a multiplication by one-half).
Mathematics
1 answer:
Rufina [12.5K]3 years ago
6 0

Answer:

1/64

Step-by-step explanation:

Semibreve = whole note

Quaver = 1/8 of a semibreve

Hemidemisemiquaver =

  • The product of hemi (1/2) demi (1/2) semi (1/2) quaver (1/8)  =
  • 1/2 * 1/2 * 1/2 * 1/8 = 1/64 of a semibreve (or whole note)

So hemidemisemiquaver is 1/64 of a semibreve

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Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

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The minimum score required for admission is 21.9.

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