Question

Near the city of Santo Domingo in Ecuador, there is a population
indigenous of extreme poverty. The volunteer doctors who help these
people suspect that this population suffers from diseases
by leukopenia (Decreased white blood cells). The last 10 patients
showed white blood cell levels of 4.64, 4.34, 5.32, 4.99, 3.98, 4.53,
4.82, 6.29, 4.35 and 4.12 (/ mm8
).

1. If historical information assumes a standard deviation of 1.0 / mm8
.
Build a 95% confidence interval for the expected value of the
current white blood cell levels in this population.

Answer 1