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STatiana [176]
3 years ago
13

In making plastics a colourless gas is used and some will leak into the air. The manufacturer has given instructions to halt pro

duction if the mean (average ) amount of this gas in the area exceeds 3.0 parts per million (ppm). Every day the safety manager plans to select a large sample n=50 air specimens and to perform a one tailed test Ha µ > 3 at significance level α = 0.01. Determine the lower limit of the rejection region of this test. Give your answer to 2 decimal places.
Mathematics
1 answer:
olga_2 [115]3 years ago
6 0
I dont know :/ ............
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For this case we have the following expression:

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(3x + 8) (3x-3) =\\9x ^ 2-9x + 24x-24 =\\9x ^ 2 + 15x-24

Answer:

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7 0
3 years ago
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7 0
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to know the answer to that

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2 years ago
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