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Kisachek [45]
3 years ago
10

Read the time on the clock below.

Mathematics
2 answers:
asambeis [7]3 years ago
8 0
HEY DEAR !!

AS we know the short pin shows minutes and the big one shows hours so it is 10:25 in the clock.

But we can't guess whether it is AM or PM .

HOPE IT HELPS YOU.
Dmitriy789 [7]3 years ago
7 0
The short line is the hand the long is the minutes that may help you.
10:25
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Evelyn wants to estimate the percentage of people who own a tablet computer she surveys 150 indvidals and finds that 120 own a t
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Answer:

The 99% confidence interval for the percentage of people who own a tablet computer is between 71.59% and 88.41%

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Confidence interval for the proportion of people who own a tablet:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

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For this problem, we have that:

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99% confidence level

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.576.

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The upper limit of this interval is:

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Percentage:

Multiply the proportion by 100.

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The 99% confidence interval for the percentage of people who own a tablet computer is between 71.59% and 88.41%

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