3 years ago

What is the answer???(i need to know)

Mathematics

1 answer:

Thepotemich [5.8K]3 years ago

3 0

If 30 miles takes 1 hours

180 miles will take 6 hours

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A bag contains 10 colored marbles - 4 red, 4 blue and 2 green.

alexira [117]

the probability would be 100% if your smart

Step-by-step explanation:

ok so think of this if you have 10 marbles but it never said anything about getting rid of marbles ,you can get rid of four marbles.

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2 years ago

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To compare two products such as colas, a random sample is selected to taste two types of colas (A and B). Each selected subject

Nadya [2.5K]

Answer: The sample size would be needed = 385

Step-by-step explanation:

Let p be the prior population proportion.

Margin of error = E

When not estimate of p is given , the formula to calculate the minimum sample size <em>n</em> = $0.25(\dfrac{z^*}{E})^2$ , where z* = critical value for given confidence interval.

Here z* for 95% confidence level is 1.96.

E=5%=0.05

Then $n=0.25(\dfrac{1.96}{0.05})^2\approx385$

Hence, the sample size would be needed = 385

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2 years ago

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inysia [295]

It should be eight if I remember correctly

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Karen and Anthony are setting up rows for the piano recital. They set up 24 rows with 6 chairs in each row. How many total peopl

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2 years ago

Which of the following statements are correct based on the diagram? Select all that apply.

cluponka [151]

Answer:

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