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Ivan
3 years ago
10

2. A set of data consists of the number of years that applicants for foreign service

Mathematics
1 answer:
Bad White [126]3 years ago
8 0

Answer:

Kindly check explanation

Step-by-step explanation:

Given the regression equation :

y = 31.6 + 10.9x

x = the number of years of study ;

y = the grade on the test.

The predicted is y which is also the same as the response variable, hence, the response variable is grade on the test

The predictor variable is x, which is the independent variable, which is the number of years of study.

From. The regression output given ;

The slope which is the Coefficient of the predictor variable is 10.9 which means that for every unit change in number of years of study, the grade on test increases by 10.9

The intercept which is the constant value, 31.6, means, the least a person can get in the get in grade is 31.6 (at x = 0)

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Milo pays $3 per pound for dog food at Pat's Pet
Anna007 [38]

Answer:

Pat Pet's Palace

Step-by-step explanation:

Price of dog food at Pat Pet's Palace = $3 per pound

Price of dog food at Mark's Mutt Market can be estimated using the graph given.

The graph is a proportional graph, thus, the constant of proportionality between cost and pound = y/x

Using the coordinates of a point on the line, (2.5, 10), constant of proportionality or unit rate = y/x = 10/2.5 = 4.

This means the price of dog food at Mark's Mutt Market is $4 per pound.

Therefore, Milo would pay a lower price per pound for dog food at Pat Pet's Palace.

5 0
3 years ago
Estimate the value of 102.3 ÷ 4.7
il63 [147K]

Answer:

See explanation

Step-by-step explanation:

Depends on what you round the numbers to, but let's say you round 102.3 to the nearest hundred (100) and 4.7 to the nearest one (5). We can easily solve 100/5 and get the answer 20.

5 0
1 year ago
In which of these examples, binomial distribution can be used? a) Finding the best month to launch a new product b) Accurately p
irina1246 [14]

Answer: The answer is (d) Accurately predicting who will be promoted at work.


Step-by-step explanation:  We are given four options and asked in which of these four, we can use binomial distribution.

Binomial distribution is used in that experiments where there are only two outcomes, either success or failure.

In the given four options, (a), (c) and (d) are incorrect, because the number of outcomes are not fixed there and hence we cannot use binomial distribution.

Only option (b) will serve our purpose, as we are accurately predicting who is getting promoted at work.

Thus, the correct option is (b).


7 0
3 years ago
To decrease an amount by 19 ,multplu by
Ivahew [28]
Subtraction doesn't mix with mult. or div.  Are you sure you've copied this problem down correctly?

"decrease an amount (x) by 19" would be x - 19 (NO multiplication here)

4 0
3 years ago
The surface area of a rectangular prism is 15 m2.
ch4aika [34]
1.5 × 10^5 = 150,000

You answer is C. 150,000 cm²
4 0
3 years ago
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