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Sonja [21]
3 years ago
12

Solve the inequality 48 < –3x.

Mathematics
2 answers:
PolarNik [594]3 years ago
8 0
The answer will be 16< x.
Whitepunk [10]3 years ago
5 0
Should be x < -16. Not really sure if that right or not
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State the null and alternative hypotheses for the situation described below for a statistical test. Testing to see if average sa
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Answer:

<em>H₀</em>: <em>μ</em>₁ - <em>μ</em>₂ = 0 vs. <em>Hₐ</em>: <em>μ</em>₁ - <em>μ</em>₂ > 0.

Step-by-step explanation:

A test is to be performed to determine whether the average sales are higher in stores where customers are approached by salespeople than in stores where they aren't.

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1 : group of stores where customers are approached by salespeople

2 : group of stores where customers are not approached by salespeople

The hypothesis can be defined as follows:

<em>H₀</em>: There is no difference between the average sales of the two stores, i.e. <em>μ</em>₁ - <em>μ</em>₂ = 0.

<em>Hₐ</em>: The sales for the store 1 is higher than that for store 2, i.e. <em>μ</em>₁ - <em>μ</em>₂ > 0.

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