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Score: 0710 0710 answered Question 5 0/1 pt Suppose that the weight of seedless watermelons is normally distributed with mean 6.4 kg. and standard deviation
Score: 0710 0710 answered Question 5 0/1 pt Suppose that the weight of seedless watermelons is normally distributed with mean 6.4 kg. and standard deviation 1.3 kg. Let X be the weight of a randomly selected seedless watermelon. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N( b. What is the median seedless watermelon weight? kg. c. What is the Z-score for a seedless watermelon weighing 7.4 kg? d. What is the probability that a randomly selected watermelon will weigh more than 7.3 kg? e. What is the probability that a randomly selected seedless watermelon will weigh between 6.5 and 7.3 kg? f. The 70th percentile for the weight of seedless watermelons is kg Hint: Helpful videos: Find a Probability [+] W 20 Sno... ~ 9 6 5061 O delete hor DDI 112 insort sc 10 9 18 144 f6 10I backspace & % Pm/courses/26867/assignments/742872?module_item_id=2191102 Score: 0710 0/ 10 answered Question 7 0/1 pt Suppose that the speed at which cars go on the freeway is normally distributed with mean 74 mph and standard deviation 5 miles per hour. Let X be the speed for a randomly selected car. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N D. If one car is randomly chosen, find the probability that it is traveling more than 70 mph. c. If one of the cars is randomly chosen, find the probability that it is traveling between 77 and 83 mph. d. 81% of all cars travel at least how fast on the freeway? mph. Hint: Helpful videos: Find a Probability [+] Finding a Value Given a Probability [+] Hint Question Help: Message instructor w Sno. O prt sc delete DDI 19 10 11 8 44 16 & % O Pm/courses/26867/assignments/742872?module_item_id=2191102 Score: 0710 0710 answered Question 6 0/1 Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 266 feet and a standard deviation of 41 feet. Let X be the distance in feet for a fly ball. a. What is the distribution of X? X ~ N( b. Find the probability that a randomly, hit fly ball travels less than 270 feet. Round to 4 decimal places. c. Find the 85th percentile for the distribution of distance of fly balls. Round to 2 decimal places. feet Hint : Helpful videos: Find a Probability [+] Finding a Value Given a Probability ) [+] Hint 7 Question Help: Message instructor Submit Question w Sno... ^ 9 4 506 O ho delete 112 prt sc f9 144 10 SK O % 5 P
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