Question

suppose 1,600 of 2,000 registered voters sampled said they planned to vote for the republican candidate for president. using 0.95 degree of confidence, what is the interval estimated for the population proportion(to the nearest tenth of a percent)? A.) 78.2% to 81.8% B.)69.2% to 86.4% C.) 76.5% to 83.5% D.) 77.7 to 82.3%

what is the critical value for a one-tailed hypothesis test in which a null hypothesis is tested at the 5% level of significance based on a sample of 24? A.)1.708 B.) 1.714 C.) 2.060 D.) 2.064

Answer 1