For y=2/3 x-2 what is the range of this function where the domain is 3 to 12

Mathematics

1 answer:

Olin [163]3 years ago

5 0

Answer:

Range = {0,2/3,1 1/3, 2, ...}

Step-by-step explanation:

The range is the output so the y values, when x = 3 then

y = $\frac{2}{3}$ (3) - 2 so y = 0

y = $\frac{2}{3}$ (4) - 2 so 8/3 - 6/3 is 2/3 so y = 2/3

y = $\frac{2}{3}$ (5) - 2 so 10/3 - 6/3 is 4/3 so y = 4/3 or 1 1/3

y = $\frac{2}{3}$ (6) - 2 so 12/3 - 6/3 is 6/3 so y = 2 and so on....

Now you try the rest

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Different dealers may sell the same car for different prices. The sale prices for a particular car are normally distributed with

Stels [109]

Answer:

P(X > 25) = 0.69

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be 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.

The sale prices for a particular car are normally distributed with a mean and standard deviation of 26 thousand dollars and 2 thousand dollars, respectively.

This means that $\mu = 26, \sigma = 2$