A cell phone carrier claims that 90% of customers are very

Last updated: 8/14/2022

A cell phone carrier claims that 90% of customers are very satisfied with the service they receive. The local paper thinks the true proportion is lower and decides to test the claim, they surveyed 100 customers using a simple random sampling. Among the sampled customers, 79% percent say they are very satisfied. What is an appropriate null and alternative hypothesis? Hx: p = 79 H.: p <.79 OH, p = 9 H.: p<.9 Hx p = .79 H₂:p>.9 Ho: p= .9 H.:p>.9