The table below shows a distribution and the observed frequencies of the values of a variable from ...

The table below shows a distribution and the observed frequencies of the values of a variable from a simple random sample of a population. Perform a chi-square goodness-of-fit test, at the specified significance level, to decide whether the distribution of the variable differs from the given distribution.

X             1              2              3

Freq        10           8              15

Given    .3             .25          .45

Significance level = 0.05