How many times greater is the value of the 7 in 874,699 than the value of

Mathematics

1 answer:

geniusboy [140]2 years ago

3 0

Answer:

C. 10 times greater

Step-by-step explanation:

every time you move left a number space, the value increases by a multiple of 10x (the opposite is true for moving right)

for example:

1.0

10.0

100.0

10 is 10x greater than 1

100 is 10x greater than 10 or 100x greater than 1

*notice how the number 1 is moving one space to the left

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The distribution of head circumference for full term newborn female infants is approximately normal with a mean of 33.8 cm and a

enyata [817]

Using the normal distribution, it is found that 95.65% of full term newborn female infants with a head circumference between 31 cm and 36 cm.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean $\mu$ and standard deviation $\sigma$ is given by:

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

The z-score measures how many standard deviations the measure is above or below the mean.

Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The mean and the standard deviation are given, respectively, by:

$\mu = 33.8, \sigma = 1.2$

The proportion of full term newborn female infants with a head circumference between 31 cm and 36 cm is the p-value of Z when X = 36 subtracted by the p-value of Z when X = 31, hence:

X = 36:

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

$Z = \frac{36 - 33.8}{1.2}$