In a survey of 3367 adults aged 57 through 85 years, it was found that 82.3% of them used at least one prescription medication. complete parts a and b below.
a. how many of the 3367 subjects used at least one prescription medication?
b. construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication.

The answer is number 4.

Answertrueknown as a genius of the piano and composer of instrument pieces for consorts he also was an english composer that lived during the renaissance time

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.