MATH SOLVE

4 months ago

Q:
# 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%.

Accepted Solution

A:

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 vaccineFalse. 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.