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elena55 [62]
3 years ago
12

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know

if average daily sales have increased. Historically average daily sales were approximately $2,700. The upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. If the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?
Mathematics
1 answer:
pav-90 [236]3 years ago
8 0

Answer:

The answer to the given problem is provided below.

Step-by-step explanation:

She can make the conclusion at 95% confidence level that average sales have increased:

Since the sample mean, $2,984, falls outside the range of likely sample means (which has an upper bound=$2,843.44), the store owner can reject the null hypothesis that μ≤ $2,700 μ≤ $2,700 at a 95% confidence level.

Since she can reject the null hypothesis, she can essentially accept the alternative hypothesis and conclude the average daily sales have increased.

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So, your answer is 6 miles.

Hope this helps!
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lubasha [3.4K]

Answer:

X₁=7 ,X₂ = 5

Step-by-step explanation:

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X =[ ( -b±√b²-4ac ) / 2a]

So, use this formula and get the answer...

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3 years ago
Misha deposited $3,725 into a savings account 22 years ago. The account has an interest rate of 2.2% and the balance is currentl
Annette [7]
The compounding equation is A=P(1+ \frac{r}{n}) ^{nt}. So
 
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1.6141= (1+ \frac{0.022}{n}) ^{22n}

Daily      = (1+ \frac{0.022}{365}) ^{22*365}
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Monthly  = (1+ \frac{0.022}{12}) ^{22*12}
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Quarter  = (1+ \frac{0.022}{4}) ^{22*4}
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5 0
3 years ago
Please help I needed it badly
kicyunya [14]

Answer:

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3 0
2 years ago
What is the slope of y = - 1 + 3x
mihalych1998 [28]

Answer:

Slope <em>m</em> = 3

General Formulas and Concepts:

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

  • m - slope
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Step-by-step explanation:

<u>Step 1: Define</u>

y = -1 + 3x

<u>Step 2: Rewrite</u>

<em>Rearrange</em>

y = 3x - 1

<u>Step 3: Break Function</u>

<em>Identify parts</em>

Slope <em>m</em> = 3

y-intercept <em>b</em> = -1

8 0
3 years ago
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