In a newspaper's survey of 475 people, 54.1% said that we should replace passwords with biometric security, such as fingerprints. The accompanying Statdisk display results from a test of the claim that half of us say that we should replace passwords with biometric security. Use the normal distribution as an approximation to the binomial distribution. Use the display and a 0. 10 significance level to complete parts (a) through (e). Sample proportion: 0.5410526 Test Statistic, Z: 1.7894 Critical z: + 1.6449 P-value: 0.0735 b. What is the test statistic? z= (Round to two decimal places as needed.)