The most appropriate method to use for the estimate of population of crabs longer than 35 cm
1 A one sample z interval for the population proportion
Hence option (1) is correct.
Biologists studying horseshoe crabs want to estimate the percent of crabs in a certain area that are longer than 35 centimeters.
The biologists will select a random sample of crabs to measure
we have to determine that of the following is the most appropriate method to use for such an estimate
1. A one sample z interval for the population proportion
2. A one sample z interval for the sample proportion
3. A two sample z interval for the population proportion
4. A two sample z interval for a difference between population proportion
5. A two sample z interval for a difference between sample proportion
Z interval is a type of confidence interval which tells us about
a range where we can expect a particular mean or proportion to fall.
It can be calculated from a known standard deviation.
A confidence interval is a range of plausible values in which the true population parameter is believed to lie.
Hence option (1) is correct.
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