Question
A poll conducted in November 2022 found that 235 of 550 coffee drinkers surveyed said that they were addicted to caffeine. Create a 95% confidence
A poll conducted in November 2022 found that 235 of 550 coffee drinkers surveyed said that they were addicted to caffeine. Create a 95% confidence interval for the percentage of ALL coffee drinkers who are addicted to caffeine. Answer parts (a) through (f) below. (a) State the sample size (n). (b) Calculate the sample proportion for those surveyed who said they were addicted to caffeine. Provide your answer as a value between 0 and 1, rounded to 3 decimal places. (c) Calculate the standard error of the sampling distribution. Provide your answer rounded to 3 decimal places. (d) State the critical value (z*) to use for the confidence level indicated. Provide your answer to 3 decimal places. (e) Calculate the margin of error. Provide your answer rounded to 3 decimal places. (f) Determine the confidence interval, as values between 0 and 1 are rounded to 3 decimals. Provide your solution for the interval in the form: (min, max).
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