Question

Given the following situation determine what test should be applied, write A, if it is two-tailed, B if one-tailed (left-tailed), C if one-tailed (right-tailed) and D if cannot be determined.

Comparing the survey results of votes to the actual votes received by a candidate in an election.

A government official claims that the traffic violations occurring in the city is not as much as 5 violations a day.

Answer 1

a.

$H_0:\mu=\mu_0$

$H_a:\mu\not=\mu_0$

A (two-tailed)

b.

$H_0:\mu=5$

$H_a:\mu\not=5$

A (two-tailed)