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2 years ago

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The probability that an event will occur is fraction 25 over 25. Which of these best describes the likelihood of the event occur

ring?
Likely
Certain
Unlikely
Impossible

2 answers:

Zielflug [23.3K]2 years ago

8 0

Answer:

The probability would be certain. This is because $\frac{25}{25}$ simplifies to 1, which would be 100%. If something has a 100% chance of happening, there would be no way it would not occur.

aliina [53]2 years ago

8 0

The answer is certain. This is because ain’t nothing else to get. look at as some marble in a bowl. there is a bowl of 25 marbles (number on bottom). The top number is how many marbles there are of your color of choice(were going to say blue), in this case there are 25 blue marbles. Ain’t no other color to get so is certain to get a blue one

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3 years ago

When n=343 college students are randomly selected and surveyed, it is found that x=110 own a car. Find a 99% confidence interval

Liono4ka [1.6K]

Answer:

The margin of error will be "0.65". A further explanation is provided below.

Step-by-step explanation:

The given values are:

n = 343

x = 110

At 99% confidence level,

$\alpha = 1-99$ %

$=1-0.99$

$=0.01$

then,

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$=0.005$

or,

$Z_{\frac{\alpha}{2} }=Z_{0.005}$

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⇒ $1-\hat{P}=1-0.321$

⇒ $=0.679$

The margin of error will be:

⇒ $E=Z_{\frac{\alpha}{2} }\times \sqrt (\frac{(\hat{P}\times (1 - \hat{P})) }{n} )$

On substituting the above values, we get

⇒ $=2.576\times \sqrt{\frac{0.321\times 0.679}{343} }$

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2 years ago

483,484,467,264,367+455,456,456=?

victus00 [196]

Answer:

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Step-by-step explanation:

I'm not sure if your question has to add all these answers up, but if so... than your answer should be 2,976. That's only if you are adding all of them up. Which is what is sort've looks like.

8 0

2 years ago