Need help figuring out these questions

9. [-/3 Points] WANEFMAC7 9.2.037. PRACTICE ANOTHER Assume that on a standardized test of 100 questions, a person has a probability of 80% of answering any particular question correctly. Find the probability of answering between 70 and 80 questions, inclusive. (Assume independence, and round your answer to four decimal places.) P00 5 x s an) = Need Help? 1o. [-l6 Points] It is known that 61% of all the ZeroCaI hamburger patties produced by your factory actually contain more than 1,000 calories. Compute the probability distribution for n = 50 Bernoulli trials. (a) What is the most likely value for the number of burgers in a sample of 50 that contain more than 1,000 calories? (Round your answer to the nearest whole number.) burgers ([2) Complete the following sentence: WANEFMAG 9.2.040. There is an approximately 62% chance that a batch of 50 ZeroCal patties contains (c) Compare the graphs of the distributions for n = 50 trials and n = 20 trials. What do you notice? The graph forn = 50 trials is more Need Help? -Selecl v distributed than the graph for n = 20. or more patties with more than 1,000 calories. PRACTICE ANOTHER