Aresearch report claims that 20% of all individuals use firefox to browse the web. a software company is trying to determine if the proportion of their users who use firefox is significantly different from 0.2. in a sample of 200 of their users, 26 users stated that they used firefox. using this data, conduct the appropriate hypothesis test using a 0.1 level of significance.
a. what is the test statistic? give your answer to four decimal places.
b. what is the p-value for the test? give your answer to four decimal places.