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MatroZZZ [7]
2 years ago
8

(2+3) Second power-16 divided by2

Mathematics
2 answers:
Nutka1998 [239]2 years ago
5 0

Answer:

Step-by-step explanation:

Brackets: 2 + 3 = 5

power: (5)^2 = 25

Divide 25 - 16 ÷2 = 25 -     8

Subtract: 25 - 8 = 17

Actually I think the question should be using brackets. It's hard to tell what to do after the power.

Add:  

IgorC [24]2 years ago
4 0

(2+3)^2-16÷2 is equal to 17

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Answer:

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Step-by-step explanation:

Information provided

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Replacing the info given we got:

z=\frac{19.87-20}{\frac{0.4}{\sqrt{25}}}=-1.625    

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p_v =P(z  

Since the p value is higher than the significance level provided we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true mean is not significantly less than 20 ounces.

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