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belka [17]
3 years ago
7

True or false of the matrix question?

Mathematics
2 answers:
matrenka [14]3 years ago
7 0
False of the matrix question
kotykmax [81]3 years ago
4 0

Answer:

True I hope it can be help

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Ciara, an ornithologist, has 444 bird feeders at separate locations. She wonders if birds are equally likely to visit each of th
dybincka [34]

The expected count of visits is the mean or average visits to each feeder

The expected count of visits to the third feeder is 87.5

<h3>How to determine the expected count of visit?</h3>

The table of values is given as:

Feeder                 1   2    3   4

Observed visits 80 90 92 88

In this case, the null hypothesis implies that the visits to each feeder are uniformly distributed

So, the expected count is calculated using:

Expected count =Visits/Feeders

This gives

Expected count = 350/4

Evaluate the quotient

Expected count = 87.50

Hence, the expected count of visits to the third feeder is 87.5

Read more about chi square goodness of fit test at:

brainly.com/question/4543358

7 0
2 years ago
Nick has to build a brick wall. Each row of the wall requires 62 bricks. There are 10 rows in the wall. How many bricks will Nic
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Nick will need 620 bricks.
4 0
3 years ago
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3x + 2y = 8<br> -4y - 6x = -8
siniylev [52]

Answer:hg68

Step-by-step explanation:

4 0
2 years ago
Which solid figure does this net represent? A) Eliminate B) square pyramid C) triangular prism D) triangular pyramid
vampirchik [111]
It represent a square pyramid
6 0
3 years ago
SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST!!!
insens350 [35]

(2y² + 7y + 11) - (8y² - 5y + 7) you can distribute the negative sign to the second expression and then combine the like terms

new expression: (2y² + 7y + 11) (-8y² + 5y - 7)

2y² and -8y² equals -6y²

7y and 5y equals 12y

11 and -7 equals 4

The answer is -6y² + 12y + 4

5 0
3 years ago
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