You select a random sample of 120 people at a medical convention attended by 1,

Question

You select a random sample of 120 people at a medical convention attended by 1, 873 people. Within your sample, you find that 65 people have traveled from abroad. Based on this sample statistic, estimate how many people at the convention traveled from abroad. Would you be more confident of your estimate if you sampled 300 people?

The number of people at the convention traveled from abroad is _____

(Round to the nearest whole number as needed.)

Would you be more confident of your estimate if you sampled 300 people?

Yes or No

Explanation / Answer

The number of people at the convention traveled from abroad

= (65/120)*1873

= 1015

Yes, we would be more confident of estimate if we sampled 300 people.

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