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, 31 users stated that they used firefox. using this data, conduct the appropriate hypothesis test using a 0.1 level of significance.

What is the standard form of -5x^2+2x^4-11+x^3+3x

Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?