3 years ago

Test the hypothesis that mean strength is 3500 psi. use α = 0.01. (b) what is th

1 answer:

7 0

<span>Evaluate the hypothesis that the mean strength s 3500psi assuming that 1% of the results gathered are a result of chance. (alpha = 0.01)</span>

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Will mark the branliest to first one who answers

Amiraneli [1.4K]

Answer:

3 1/4

Step-by-step explanation:

3/4 + (1/3 ÷1/6) - (-1/2)

Subtracting a negative is adding

3/4 + (1/3 ÷1/6) +1/2

Parentheses first

Copy dot flip

3/4 + (1/3 * 6/1) +1/2

3/4 + 2 + 1/2

Get a common denominator

3/4 + 2 + 2/4

2 + 5/4

2 + 4/4 +1/4

2+1 + 1/4

3 1/4

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Alex17521 [72]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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