How do you solve this problem

Mathematics

1 answer:

kotegsom [21]3 years ago

4 0

Remember, a/(c/d)=(a)(d/c)
subsitute 1/2 for x

$f(x)=\frac{1}{\frac{1}{2}}=(1)(\frac{2}{1})=2$

You might be interested in

In a recent national survey, the mean price for a 2000 sq ft home in Florida is $240,000 with a standard deviation of $16,000. T

Doss [256]

Answer:

In both Florida and Ohio the house is 2.5 standard deviations from the mean.

Step-by-step explanation:

Z-score

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.

In this problem:

The 200,000 house would be closer to the mean in the state in which the absolute value of the z-score is smaller.

Florida:

$\mu = 240000, \sigma = 16000$