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o-na [289]
3 years ago
11

The mean of 9 observations was found to be 35. Later on, it was

Mathematics
1 answer:
USPshnik [31]3 years ago
3 0

Answer:

its 42

Step-by-step explanation:

315-18+81=378

Correct mean =378/9=42

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Which of the following probabilities is equal to approximately 0.2957? Use the portion of the standard normal table below to
devlian [24]

Answer: It is C on edginuity.

Step-by-step explanation:

got it right

6 0
3 years ago
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Which point is collinear to the point (0,0)?<br><br>A) (1,0)<br>B) (3,2)<br>C) (4,1)<br>D) (1,3)​
Sonbull [250]

Answer:

All of them are right

Step-by-step explanation:

Are you sure the question was that?

Collinear means that it lies on the same line

Now, from every 2 points passes a unique line

So(0,0) and (3,2) are in a line

(0,0) and (1,0) are in an other line and so on

8 0
3 years ago
A toll collector on a highway receives ​$8 for trucks and ​$5 for sedans. At the end of a 3​-hour ​period, she collected ​$208.
Vilka [71]

Answer:

The number of trucks and sedans can be

(0 trucks ,26 sedans)

(8 trucks ,21 sedans)

(24 trucks ,11 sedans)

(25 trucks ,1 sedans)

(32 trucks ,6 sedans)

(16 trucks ,16 sedans)

Step-by-step explanation:

Given:

The  cost for trucks =$5

The cost for sedans  =$8

The total amount collected = $208

To Find:

Number of trucks and sedans passed through the toll booth =?

Solution:

Let the number of trucks be x and the number of sedans be y

Then

5x + 8y = 208-------------------------------(1)

By Trail and error method

5(0) + 8(26) = 208

5(8) + 8(21) = 208

5(24) +8(11) =208

5(25) + 8(1) = 208

5(32) + 8(6) =208

5(16) + 8(16) = 208

8 0
3 years ago
In California, we need more rain to sustain the health of our natural environment, argriculture, and
astra-53 [7]

Answer:

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Frequency 2 4 3 3 7 3

The mean (¯xx¯) rain intensity: ____ inches (Please show your answer to 1 decimal place.)

The median rain intensity: __3.8__ inches

Step-by-step explanation:

the answer is 3.8

4 0
3 years ago
W
Lemur [1.5K]

Answer:

B. 74 / 100

Explanation:

I got it right on the test :)

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3 years ago
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