# Question: From a survey of coworkers you find that 48 of

From a survey of coworkers you find that 48% of 200 have already received this year’s flu vaccine. An approximate 95% confidence interval is (0.409, 0.551). Which of the following are true? If not, explain briefly.

a) 95% of the coworkers fall in the interval (0.409, 0.551).

b) We are 95% confident that the proportion of coworkers who have received this year’s flu vaccine is between 40.9% and 55.1%.

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

d) There is a 48% chance that a random selected coworker has received the vaccine.

e) We are 95% confident that between 40.9% and 55.1% of the samples will have a proportion near 48%.

a) 95% of the coworkers fall in the interval (0.409, 0.551).

b) We are 95% confident that the proportion of coworkers who have received this year’s flu vaccine is between 40.9% and 55.1%.

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

d) There is a 48% chance that a random selected coworker has received the vaccine.

e) We are 95% confident that between 40.9% and 55.1% of the samples will have a proportion near 48%.

## Answer to relevant Questions

From the survey in Exercise 11, which of the following are true? If they are not true, explain briefly why not. a) 95% of the 200 students are in the interval (0.283, 0.417). b) The true proportion of students who use ...It’s believed that as many as 25% of adults over age 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group. a) How many of this younger age group must we survey in ...The class in Exercise 25 expands its stock-picking experiment. a) The students use computer-generated random numbers to choose 25 stocks each. Use the 68-95-99.7 Rule to describe the sampling distribution model. b) Confirm ...In early 2013 Realty Trac reported that foreclosures had settled down to 1 in 859 homes per month for a rate of 0.116%, far below the 1.6% seen during the financial crisis of 2007-2008. Suppose a large bank holds 9455 of ...Information on a packet of seeds claims that the germination rate is 92 %. What’s the probability that more than 95% of the 160 seeds in the packet will germinate? Be sure to discuss your assumptions and check the ...Post your question