10) A study of cats and dogs found that 33 of 50 cats and 23 of 50 dogs slept more than 10 10) hours per day. At the 0.05 level of significance, is there sufficient evidence to conclude that a difference exists between the proportions of cats and dogs that sleep more than 10 hours per day? A) Yes, because the test value 5.21 is outside the noncritical region -1.65