14. Let x denote the proportion of Floridians who think that government environmental reg- ulations are too strict Test Ho: r = .5 against H: 5 using data from a telephone poll of 834 people conducted in June 1995 by the Institute for Public Opinion Research at Florida International University, in which 26.6% said regulations were too strict

a) Calculate the test statistic.

b) Find the P-value. and interpret

c) Using a .01, can you determine whether a majority or nunonty think that envion- mental regulations are too strict, or is it plausible that 507

d) Construct a 99% confidence interval Explain the advantage of the confidence interval over the test.