7. " mark's] An expert believes that more than 90% of people will agree to get vaccinated against COVID. To test this claim, a random sample of 1000 people was selected and 925 responded they will take the vaccination once it is available. At a = 0.01, is there enough evidence to support the expert's claim? 3/4 8. [dorks] Studies have shown that the amount of time that Canadian adults spend streaming movies is normally distributed with a mean of 12.2 hours per week, and a standard deviation of 4.2 hours per week. A. [ What percent of Canadians stream movies for more than 18 hours per week? B. If 10 Canadian adults were randomly selected, what is the probability that their average streaming times exceeds 16.5 hours? C. A random sample of 60 Carleton students revealed that the sample mean of the number of hours weekly they streamed movies was 18.0 with a sample standard deviation of 4.6. Test the hypothesis at a 5% level of significance that the mean number of hours Carleton students is different from the national average (12.2 hours per week)