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3 years ago

12

By visual inspection, determine the best-fitting regression model for the data plot below.

1 answer:

Firlakuza [10]3 years ago

8 0

Answer:

A. linear

Step-by-step explanation:

A linear model is the best-fitting regression model for the data plot because for similar variations in x values, the variation in y values are also similar, that is, if you take points (x1, y1), (x2, y2) and (x3, y3) the y1 - y2 is similar to y2 - y3, when x2 - x1 is also similar to x3 - x2.

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Which is the standard form for this number? (4 x 1 100 ) + (8 x 1 1,000 ) + ( 3 x 1 100,000 ) ?

kondaur [170]

Answer:

Option B $0.04803$

Step-by-step explanation:

we have

$(4*\frac{1}{100})+(8*\frac{1}{1,000})+(3*\frac{1}{100,000})\\ \\ =(\frac{4}{100})+(\frac{8}{1,000})+(\frac{3}{100,000}) \\ \\ =0.04+0.008+0.00003\\ \\=0.04803$

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3 years ago

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cupoosta [38]

Answer:

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Step-by-step explanation:

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3 years ago

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Olin [163]

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3 years ago

Read 2 more answers

Gina has a jar of marbles that contains 7 blue marbles, 5 red marbles, and 8 green marbles. She randomly selects a marble, recor

BigorU [14]

The probability that Gina randomly selected two red marbles is 1/19

<u>Explanation:</u>

Total number of marbles = 7 + 5 + 8

= 20

The probability of getting two red marbles in the fraction form is given as:

P(first red marble) = number of red marbles / total number of marbles

P(first red marble) = $\frac{5}{20} = \frac{1}{4}$

P(second red marble) = number of red marbles after 1 white marble is removed / total number of marbles after 1 red marble is removed.

P(first red marble) = $\frac{4}{19}$

P(two red marbles) = P(first) X P(second)

= $\frac{1}{4} X \frac{4}{19}$

= $\frac{1}{19}$

Therefore, the probability that Gina randomly selected two red marbles is 1/19

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3 years ago

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maw [93]

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3 years ago