In: Statistics and Probability
An annual forecast of the Florida grapefruit crop is based on an actual count of grapefruits on a random sample of trees.
Suppose 5 grapefruit trees are randomly selected and the fruit of each tree is counted.
tree |
# fruit |
1 |
80 |
2 |
60 |
3 |
100 |
4 |
40 |
5 |
120 |
1. Build a 95% confidence interval estimate of the population mean number of grapefruits per tree.
2. If there are 75,000 grapefruit trees in Florida, give a 95% confidence interval estimate of the total number of grapefruits harvested.