Question

Nomadic Male Lion Coalitions are thought to have a reasonably short lifetime. Ten years ago this unknown mean lifetime was 2 years. However a researcher thinks the unknown mean lifetime for the population of Nomadic Males is longer than Zyearc. A random sample of n = L3 Nomadic Male Coalitions had mean lifetime V= 2.5 with st dev s = .5. i) What is the mean we want to test? ii) Write down the Null and Alternate Hypotheses. iii) Find the Rejection Region if q = .05, conipute the Test Stat and conduct your test. iv) What is the conclusion of your test?

Answer 1

Conclusion: There is sufficient evidence to support the claim that mean lifetime for population of nomadic males is longer.