Question

Test the claim that the proportion of people who own cats is smaller than 80% at the 0.05 significance level. The null and alternative hypothesis would be: H 0 : μ = 0.8 H 1 : μ ≠ 0.8 H 0 : p ≥ 0.8 H 1 : p < 0.8 H 0 : μ ≤ 0.8 H 1 : μ > 0.8 H 0 : p = 0.8 H 1 : p ≠ 0.8 H 0 : μ ≥ 0.8 H 1 : μ < 0.8 H 0 : p ≤ 0.8 H 1 : p > 0.8 The test is: left-tailed right-tailed two-tailed Based on a sample of 300 people, 78% owned cats

Answer 1