The South African government is concerned about the high illiteracy rates amongst adults in South Africa. They wish to estimate the true number of adults (over 18 years of age) in South Africa who are illiterate (that is, they cannot read or write in at least one language). A random sample of 10000 adults were interviewed and 1107 of them were found to be illiterate. What is the parameter of interest in this situation?
A. The number of adults in South Africa
B. The number of adults in South Africa who are illiterate
C. The number of adults of the 10000 sampled who are illiterate
D. The total number of people in South Africa
Answer:B
The South African government is concerned about the high illiteracy rates amongst adults in South Africa. They wish to estimate the true number of adults (over 18 years of age) in South Africa who are illiterate (that is, they cannot read or write in at least one language). A random sample of 10000 adults were interviewed and 1107 of them were found to be illiterate. What is the parameter of interest in this situation?
A. The number of adults in South Africa B. The number of adults in South Africa who are illiterate C. The number of adults of the 10000 sampled who are illiterate D. The total number of people in South Africa