When you mean -2+2,than it is 0
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:
<em><u>a) 95% of the coworkers fall in the interval (0.447, 0.573).</u></em>
False. This interval is about the worker's flu vaccine proportion
<u><em>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%.</em></u>
True. 95% confidence level suggests that.
<u><em>c) There is a 95% chance that a random selected coworker has received the vaccine.</em></u>
False. A random selected coworker has received the vaccine proportion is between 44.7% and 57.3%.
<em><u>d) There is a 51% chance that a random selected coworker has received the vaccine</u></em>
False. This chance is between 44.7% and 57.3% in 95% confidence level.
<em><u>e) We are 95% confident that between 44.7% and 57.3% of the samples will have a proportion near 51%.</u></em>
False. This sentence is not meaningful.
The correct answer is c d b if you have any other question feel free to contact me
