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- In this same passage of Proportion of College Students, answer the questions carefully to get the correct answers.If you want a poll to have a margin of error of 2.84%, how large will your sample have to be?If the proportion of Heads is .25 out of 200 flips, what is the p-value? Round to three places.
- The International Brotherhood of Slide Whistlers wants to conduct a survey to find what proportion of its members have more than one slide whistle. If they want the margin of error to be 3% or less, how large a sample should they take? Be sure to show your work.In a survey of 331 registered voters, 158 of them wished to see mayor waffleskate lose her next election. Find a point estimate for the proportion of registered voters who to see mayor waffleskate defeated.At a local Dunkin’ Donuts, a survey showed that out of 1,300 customers eating lunch, 520 ordered coffee with their meal. What percent of customers did not order coffee?
- A coffee shops critic finds that a cup of coffee could be rated as too hot, too cold, or perfect. P(Hot) = 0.3 and P(cold) = 0.06. Find as a percentage: P(perfect) =In a survey of 1,700 people who onwed a certain type of car 595 said that they would buy that type of car again. what percent of the people surveyed were satisfied with the car?At a local Dunkin’ Donuts, a survey showed that out of 1,090 customers eating lunch, 327 ordered coffee with their meal. What percent of customers ordered coffee?
