From a survey of coworkers you find that 51% of 250 have already received this year's flu vaccine. An approximate 95% confidence interval is (0.447, 0.573).Which of the following are true? Explain why you think whethere it's ture or not please. Thank you so much:)a) 95% of the coworkers fall in the interval (0.447, 0.573).b) We are 95% confident that the proportion of coworkers who have received this year's flu vaccine is between 44.7% and 57.3%.c) There is a 95% chance that a random selected coworker has received the vaccine.d) There is a 51% chance that a random selected coworker has received the vaccine.e) We are 95% confident that between 44.7% and 57.3% of the samples will have a proportion near 51%.

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dogacandu dogacandu · Answer 1 · 2019-11-12T22:17:04+01:00

Answer:

b) We are 95% confident that the proportion of coworkers who have received this year's flu vaccine is between 44.7% and 57.3%

Step-by-step explanation:

a) 95% of the coworkers fall in the interval (0.447, 0.573).

False. This interval is about the worker's flu vaccine proportion

b) We are 95% confident that the proportion of coworkers who have received this year's flu vaccine is between 44.7% and 57.3%.

True. 95% confidence level suggests that.

c) There is a 95% chance that a random selected coworker has received the vaccine.

False. A random selected coworker has received the vaccine proportion is between 44.7% and 57.3%.

d) There is a 51% chance that a random selected coworker has received the vaccine

False. This chance is between 44.7% and 57.3% in 95% confidence level.

e) We are 95% confident that between 44.7% and 57.3% of the samples will have a proportion near 51%.

False. This sentence is not meaningful.