Economic struggle. The chief executive of Queensland Council of Social Service (QCOSS) claims that one in four Queenslanders lost employment or faced a reduction in working hours in the year 2020. In a survey conducted by QCOSS between October 23, 2020, and November 2, 2020, 322 out of 671 respondents from Queensland reported loss of jobs or working hours.

a. What proportion of Queenslanders lost employment or faced a reduction in working hours in the year 2020 as reported by the chief executive of QCOSS?

b. Specify the null and alternative hypotheses for testing the chief executive’s claim.

c. Carry out the hypothesis test to justify the chief executive’s claim and give the appropriate conclusion at a = .01. Use the p-value provided in the accompanying PHStat printout to make your decision. Z Test of Hypothesis for the Proportion Data Null Hypothesis p=