Question 18 Not yet answered Marked out of 5.00 P Flag question The number of calls received by a car towing service in

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Question 18 Not Yet Answered Marked Out Of 5 00 P Flag Question The Number Of Calls Received By A Car Towing Service In 1 (38.25 KiB) Viewed 85 times

Question 18 Not Yet Answered Marked Out Of 5 00 P Flag Question The Number Of Calls Received By A Car Towing Service In 2 (36.5 KiB) Viewed 85 times

Question 18 Not Yet Answered Marked Out Of 5 00 P Flag Question The Number Of Calls Received By A Car Towing Service In 3 (35.84 KiB) Viewed 85 times

Question 18 Not yet answered Marked out of 5.00 P Flag question The number of calls received by a car towing service in an hour has a mean of 1.64. Find the probability that in a randomly selected hour the number of calls is between 2 and 4 inclusive. a. 0.897 O b. 0.462 C. 0.481 d. 0.403

Question 19 Not yet answered Marked out of 5.00 P Flag question The number of calls received by a car towing service in an hour with mean 1.860. Let X denote the number of calls received by the service in a randomly selected hour. Find the standard deviation of X. a. 1.860 O b. 3.460 O c. 1.364 d. 0.930

Question 20 Not yet answered Marked out of 5.00 Flag question In one town, the number of burglaries in a week has a mean 2.4. Let X denote the number of burglaries in the town in a three week period. Find the standard deviation of X. a. 2.68 O b. 4.2 O c. 1.8 O d. 3.6 .