Coursepack, p. 493 6. Conventional wisdom says that the average movie length is 2 hours, but you think this is not true. To check your claims, you gather a random sample of 25 movies from IMDb and find their average length is 108.12 minutes with a standard deviation of 20.95 minutes. (Source and Source) a. Are the requirements for conducting a hypothesis test satisfied? (Note: There are 6.5 million movies listed on IMDb) Explain. Normal Quantile 100 Movie Length 110 120 b. Test your claim at a 1% level of significance showing all steps, work, and graphs. (Use minutes, not hours. Hint: How many minutes are in 2 hours?] MAT 133: Ch. 10 Review WS p.3