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1. A study estimated that 5 out of 6 American adults know what Twitter is. If there are 25 adults registered for this class, how

1. A study estimated that 5 out of 6 American adults know what Twitter is. If there are 25 adults registered for this class, how many of them would you expect to know what Twitter is?

Round your answer to the nearest whole number.

If the answer cannot be determined, type 123456.

2. If there are 25 adults registered for this class, what is the standard deviation for those that know what Twitter is?

Round your answer to the nearest tenth.

If the answer cannot be determined, type 123456.

3. Let's say the study estimated that 6 out of 6 American adults know what Twitter is. If there are 25 adults registered for this class, what is the standard deviation for those that know what Twitter is?

Round your answer to the nearest tenth.

If the answer cannot be determined, type 123456

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