Juliet is being tested for a contagious disease. the test is 99% accurate and in actuality 0.1% of the population has the disease. juliet still thinks she has the disease even though she tested negative. is she worrying too much? explain.
a) she is worrying too much as the test is 99% accurate.
b) she should be worried as there is a 9% probability that she is sick.
c) she should be worried as there is still a 1% chance she has the disease.
eliminate
d) she is worrying too much as the probability that she is sick given she tested negative is 0.0001

D

Step-by-step explanation:

You are looking for a conditional probability. P(has the disease given that you tested negative). This probability is

1

9891

= 0.0001. Which means that the likelihood she has the disease is very small. Therefore, She is worrying too much as the probability that she is sick given she tested negative is 0.0001

introduction, methodology, results, discussion

step-by-step explanation:

an observational study is one which consists of actual observation to record data and then analyse the data.

there are a number of factors that should be analyzed before starting an observational study.

the main four factors are:

i) introduction:   this should be analysed to check whether the purpose of the study is correctly established and the data recorded are appropriate for the study

methodology:   the method of collecting the data, such as whether randomly selected, and whether sample size matches with the population to be studied, whether questions asked are easy to answer by common men, etc.

results: then results such as summary of data with comments should be studied thoroughly

discussion:   the last is the discussion, this can be either by management people or persons who are all interested , etc.

the final price would be 29.6925

step-by-step explanation:

39.59 minus 25% equals 29.6925