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pshichka [43]
2 years ago
9

Suppose that in a random sample of 240 smartphone users, 160 used an iPhone. Conduct a hypothesis test at significance level 0.0

2 to test the claim that more than 58% of smartphone users use an iPhone.
State the null hypothesis, the alternative hypothesis, the test statistic, the (P-value or traditional method), and formulate your conclusion.
Null hypothesis: ____________________ (1 points)
Alternative hypothesis: __________________ (1 points)
Test Statistic: (2 points)
p-value value: ________ (2 points)
Conclusion: __________________________________ (2 points)
Mathematics
1 answer:
My name is Ann [436]2 years ago
7 0

a 230 metersa 230 metersa 230 metersa 230 metersa 230 metersa 230 metersa 230 metersa 230 metersa 230 meters

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Geometry question, any help is appreciated
kodGreya [7K]

Answer:

Hence, the ratios are given by 5:7, 25:49, 125:343.

Step-by-step explanation:

We are given two spheres such that:

Volume of small sphere V_{s} = 250 yd^{3}

Volume of large sphere V_{l} = 686 yd^{3}.

Then the ratio of volume = 250 : 686 = 125 : 343.

Since, the volume of a sphere = \frac{4 \pi \times r^{3}}{3}, this gives us that the ratio of the radius = ∛V_{s} : ∛V_{l}

i.e. The ratio of the radius = ∛125 : ∛343 = 5 : 7.

Further, as the surface area of a sphere = 4 \pi \times r^{2}, this gives us that the ratioof surface area = r_{s} ^{2} : r_{l} ^{2}

i.e The ratio of the surface area = 5^{2} : 7^{2} = 25 : 49

So, the ratio of the surface areas = 25 : 49.

Hence, the ratios are given by 5:7, 25:49, 125:343.

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Ray MN and ML are two sides of an angle. What is a name of this angle?
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What is the simplified equation of 9(x+3)-(2x+5)?
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Step-by-step explanation:

9(x+3)-(2x+5)

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Answer:

1.333...

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Step-by-step explanation:

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