What is the slope of the line that passes through the points (−3, 1) and (1, −5) ?

Mathematics

1 answer:

kari74 [83]3 years ago

8 0

Answer:

$m = \frac{ - 5 - 1}{1 + 3} = - \frac{6}{4} = \color{green} \boxed{ - \frac{3}{2} }$

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A marine sales dealer Önds that the average price of a previously owned boat is $6492. He decides to sell boats that will appeal

Anuta_ua [19.1K]

Answer:

The maximum price that the dealer will sell is $7471 and the minimum is $5513.

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.

In this problem, we have that:

$\mu = 6492, \sigma = 1025$