Mathematics, 18.02.2021 19:20 emmalucilleblaha1995
A light bulb manufacturer claims that the lifetime of the bulbs is normally distributed with a mean of 5000 hours and a standard deviation of 250 hours. If 20000 bulbs are produced on a particular day, what percentage of the bulbs will have a lifetime of between 4750 and 5500 hours?
Answers: 1
Mathematics, 22.06.2019 03:10, lolo8787
A. the following events are mutually exclusive: living in california and watching american idol. true or false b. the number of patients seen by an outpatient practice is an example of a discrete random variable. true or false c. the law of large numbers states that as the number of times an event experiment is conducted increases, the likelihood of the actual probability of an event approaching the theoretical probability decreases. true or false d. measuring the time it takes for patients to enter the operating room is an example of a continuous random variable. true or false
Answers: 1
Mathematics, 22.06.2019 04:30, hannaharsena
Acylinder with a radius of 1 cm and a height of 21 cm has the same volume as a cone with a height of 7 cm. what is the radius of the cone? a) 3 cm b) 5 cm c) 7 cm d) 9 cm
Answers: 1
Mathematics, 22.06.2019 05:30, drubio102004
Which inequality is used when the situation involves a “maximum”?
Answers: 1
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