The life span of a battery is the amount of time the battery will last. The distribution of life span for a certain type of battery is approximately normal with mean 2. 5 hours and standard deviation 0. 25 hour. Suppose one battery will be selected at random. Which of the following is closest to the probability that the selected battery will have a life span of at most 2. 1 hours?.
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SAT, 23.06.2019 11:30
2. your driving record a. is totally confidential. b. may be available to the public. c. is available only to your employer with your authorization.
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SAT, 27.06.2019 11:30
Case # 51173878 weighs 814 pounds; case # 51173981 weighs 803 pounds; case # 51174058 weighs 817 pounds; case 51174178 weighs 815 pounds; case # 51174248 weighs 817 pounds; case # 51174495 weighs 781 pounds; case # 51174577 weighs 828 pounds. what are the case #'s of the two cases that weigh the same amount?
Answers: 1
The life span of a battery is the amount of time the battery will last. The distribution of life spa...
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