Please help i give brainliest

Mathematics

2 answers:

Marina86 [1]2 years ago

6 0

Answer:

all FALSE except 3 and 4

Step-by-step explanation:

Hope this helps

olchik [2.2K]2 years ago

3 0

1. True
2. True
3. False; two negative numbers multiplied equals a positive number
4. False; a negative number multiplied by a positive number equals a negative number

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AleksandrR [38]

Answer:

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Step-by-step explanation:

Given :

n(American) = 29

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Where, 4 = sample size

Expected value, E = 23

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χ² = (29-23)²/23 + (16-23)²/23 + (19-23)²/23 + (28-23)²/23

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