Question

Answer all the questions
1. State true or false: Both stratified sampling and cluster sampling divide the population into
groups
2. A population has mean 7 and standard deviation 2, find the Z-score for a population value
of 5.
3. State the relationship between Type I and Type II error.
4.A medical test is available to determine whether a patient has a
certain disease. To determine the accuracy of the test, a total of
10,100 people are tested. Only 100 of these people have the
disease, while the other 10.000 are disease free. Of the
disease-free peopfe, 9800 get a negative result, and 200 get a
positive result. The 100 people with the disease all get positive
results,
Find the probability that the test gives the correct result
for a person who does not have the disease.
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Answer 1

Answer:

Sorry I don't know l will tell you