The proportion of the English in the whole population accounts for .
举一反三
- If we are interested in testing whether the proportion of items in population 1 is larger than the proportion of items in population 2, then
- Organic agriculture accounts for the biggest proportion of the American agriculture.
- A researcher wants to estimate the proportion of the population which possess a given characteristic. A random sample of size 600 is taken resulting in 330 items which possess the characteristic. The point estimate for this population proportion is _______.
- The 55-to-64 age group accounts for 9% of the population today.
- A sample of 400 observations will be taken from an infinite population. The population proportion equals 0.8. The probability that the sample proportion will be greater than 0.83 is