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, 36 users stated that they used firefox. using this data, conduct the appropriate hypothesis test using a 0.01 level of significance. a) what are the appropriate hypotheses?
a)h0: p = 0.2 versus ha: p < 0.2
b)h0: p = 0.2 versus ha: p ≠ 0.2
c)h0: μ = 0.2 versus ha: μ > 0.2
d)h0: p = 0.2 versus ha: p > 0.2
b) what is the test statistic?
give your answer to four decimal places.
c) what is the p-value for the test? give your answer to four decimal places.
d) what is the appropriate conclusion?
a)fail to reject the claim that the firefox proportion is 0.2 because the p-value is smaller than 0.01.
b)conclude that the firefox proportion is not 0.2 because the p-value is smaller than 0.01.