A vending machine dispenses five different snack types labeled A, B, C, D, and E. A quality control officer suspects that the machine does not dispense each snack type with equal likelihood. To test this, a sample of snacks dispensed from the machine was recorded, and the following frequencies were observed: Assume the expected frequencies for each snack type are equal. A goodness-of-fit test will be conducted using a significance level. Is this hypothesis test left-tailed, right-tailed, or two-tailed?
