A recent public opinion poll on gun control found that 84 people interviewed out of the 192 interviews supported new gun regulations.(a) What is the point estimate for the above problem?84 X0.4375(b) What is the 90% confidence interval? (Use a table or SALT. Round your answers to three decimal places.)Enter a number.(c) What is the 95% confidence interval? (Use a table or SALT. Round your answers to three decimal places.)(d) Which interval is wider, the 90% confidence interval or the 95% confidence interval?90% confidence intervalO95% confidence interval