The null and alternative hypothese are given Determine wheat

The null and alternative hypothese are given. Determine wheather the hypothesis test is left-tailed, right-tailed, or two-tailed. What parameter is being tested?

h₀: u= 120

h₁; u<120

Choose the correct answer

A) Right tailed

B) Two Tailed

C) Left tailed

what parameter is being tested?

u

p

a

Solution

Option-C) Left tailed. Because the alternative hypothesis test has less than symbol

Option-A) u parameter is being tested