June 2010, 370 of 1002 adult Americans aged 18 or older believed in haunted houses. Is there sufficient evidence to believe that the proportion of adult Americans who believed in haunted Ho = 0. 33 houses has increases at the = 0.05 level of significance. %3D Peo.0041081310,33 Po: 0.33 %3D n=1,002 Hypothesis test of two means. t 370 3. To illustrate the effects of driving under the influence of alcohol, a police officer brought a DUI simulator to a high school. Student reaction time in an emergency was measured with unimpaired vision and also while wearing special goggles to simulate the effect of alcohol on Ho=MEM2 Ha: M, ☆ Mz (ce Impaired: 5.77, 5.67, 5.51, 5.32, 5.83, 5.49, 5.23, 5.61, 5.63 P= 1.156853322 X107La Is there evidence to suggest that there is a difference at a = 0.05 level of significance. vision with the following results: Normal: 4.47, 4.24, 4.58, 4.65, 4.31, 4.8, 4.55, 5, 4.79 Reject Ho, we conclude that tee is no SigniPicance Hypothesis test of two proportions. bet ween the eudane sug gest On March 2005, a poll surveyed 535 adults aged 18 years old or older and asked "Do you think there is life on other planets or not?" Of the 535, 326 responded yes. When the same question was asked on September 3, 2000, 385 of the 535 individuals surveyed said yes. Can you H 4. conclude that the proportion has decreased at a = 0.05 level of significance. H. 9=P %3D P=0.9999332473 >d Goodness of Fit Test. 5. A researcher wanted to determine if bicycle deaths were uniformly distributed over the days of the week. She randomly selected 200 deaths by bicycles, recorded the days they happened with the following data. Sunday Monday Tuesday Wednesday Thursday Friday Saturday 16 35 16 28 34 41 30 Is there evidence to believe that bicycle deaths occur with equal frequency with respect to day of the week at a = 0.05 level of significance.