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Svetllana [295]
3 years ago
13

Cindy's Gift Shoppe purchased 8-inch candles at $9.95 a dozen, less a 25 percent trade discount. If the owner wishes to sell the

candles at a 35 percent makeup, what should be the selling price of each dozen?
Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
6 0
The first thing you should do for this case is to take 35% out of 9.95
 We have then
 (0.35) * (9.95) = 3.4825
 Then, we must add this value from the original price of a dozen
 9.95+3.4825 = <span> <span>13.4325
 less a 25 percent trade discount
</span></span> 13.4325*(1-0.25)=<span> <span>10.074375
</span></span> answer
 the selling price of each dozen should be $<span> <span>10.074375</span></span>
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Answer:

a) The Z -value 2.397 < 2.576 at 99% or 0.01% level of significance

Null hypothesis is accepted at  0.01% level of significance

<em>They score is above 24 on the math portion of the​ exam</em>

<em>b) </em>

<u><em>Null Hypothesis</em></u>: There is no significance difference between the college level mathematics and math courses in high school

H₀: μ = 24

<u>Alternative Hypothesis: </u>H₁: μ ≠ 24

<u>Step-by-step explanation:</u>

<u><em>Step(i)</em></u>:-

Given random sample 'n' = 250

Given data sample mean x⁻ = 24.5

Standard deviation = 3.3

<u><em>Null Hypothesis</em></u>: There is no significance difference between the college level mathematics and math courses in high school

H₀: μ = 24

<u>Alternative Hypothesis: </u>H₁: μ ≠ 24

test statistic

Z = \frac{x^{-} - mean}{\frac{S.D}{\sqrt{n} } }

Z = \frac{24.5 - 24}{\frac{3.3}{\sqrt{250} } } = \frac{0.5}{0.2087} = 2.397

a) 99% or 0.01% level of significance

Level of significance ∝ = 0.01

Z_{\frac{\alpha }{2} } = Z_{\frac{0.01}{2} } = Z_{0.005} =2.576

The Z -value 2.397 < 2.576 at 99% or 0.01% level of significance

Null hypothesis is accepted at  0.01% level of significance

<em>They score is above 24 on the math portion of the​ exam</em>

b) 95% or 0.05% level of significance

Level of significance ∝ = 0.05

Z_{\frac{\alpha }{2} } = Z_{\frac{0.05}{2} } = Z_{0.025} = 1.96

The Z -value 2.397 > 1.96 at 95% or 0.05% level of significance

Null hypothesis is Rejected at  0.05% level of significance

<em>They score is below 24 on the math portion of the​ exam</em>

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2 years ago
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The formula is L*W*D, right?
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