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vekshin1
3 years ago
14

Amelia needs to buy some dog food at the nearest store 6 bags of dog food cost 19.50 how much would Amelia spend on 3 bags of do

g food
Mathematics
1 answer:
nataly862011 [7]3 years ago
7 0

Answer:

Well, let us find the contanst value. $19.50 ÷ 6 = $3.25 per dog food bag. $3.25 x 3 = $9.75.

Amelia would have to pay $9.75 for 3 bags of dog food

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lutik1710 [3]

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If the volume of a cube is 64 in3, how long is each side?
8_murik_8 [283]

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4

Step-by-step explanation:

4*4*4=16*4=64

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A car goes from rest to 50 m/s in 5 seconds. What is the acceleration?
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3 0
3 years ago
Read 2 more answers
Consider the hypothesis test below.
Pavel [41]

Answer:

Z_{H0} =1.79

p-value: 0.0367

Decision: Reject H₀

Step-by-step explanation:

Hello!

Hypothesis to test:

H₀:ρ₁-ρ₂=0

H₁:ρ₁-ρ₂>0

The statistic to use to test the difference between two population proportions is the approximation of Z

Z=<u>     (^ρ₁-^ρ₂)-(ρ₁-ρ₂)     </u>   ≈N(0;1)

   √ (<u>^ρ₁(1-^ρ₁))/n₁)+(^ρ₂(1-^ρ₂)/n₂))</u>

                   

Z=<u>                    (0.28-0.15)-0                    </u>= 1.79

   √ (<u>0.28(1-0.28)/200)+(0.15(1-0.15)/300)</u>

p-value

Remember: The p-value is defined as the probability corresponding to the calculated statistic if possible under the null hypothesis (i.e. the probability of obtaining a value as extreme as the value of the statistic under the null hypothesis).

P(Z>1.79)= 0.0367

Conclusion:

Comparing the p-value against the significance level, you can decide to reject the null hypothesis.

I hope you have a SUPER day!

8 0
3 years ago
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