Question

As concert goers enter a stadium, a security guard randomly inspects their backpacks for alcoholic beverages. Of 130 backpacks checked so far, 17 contained alcoholic beverages of some kind. The guards want to estimate the percentage of all backpacks of concert goers at this concert that contain alcoholic beverages.a. Identify the population

b. Identify the Sample
c. Identify p
d. Identify
e. Would you trust a confidence interval for the true proportion based on these data? Explain

Answer 1

a. The population refers to targeted area under study which is all the backpacks of concertgoers

b. The sample refers to that part of the population inspected for study which is the number of backpacks checked in this case

c. P is the percentage or proportion of all backpacks of concertgoers that contained alcoholic beverages

e Using a confidence interval of 95%, I will.

This is because the true proportion lies between 7.3% and 18.9% and the data given in the question has an estimate of 13.1% which lies within the range of values

Explanation:

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