Mathematics, 23.06.2019 14:40 mwilliams457
Manufacture of a certain component requires three different machining operations. machining time for each operation has a normal distribution, and the three times are independent of one another. the mean values are 30, 20, and 15 min, respectively, and the standard deviations are 1, 2, and 1.5 min, respectively. what is the probability that it takes at most 1 hour of machining time to produce a randomly selected component? (round your answer to four decimal places.)
Answers: 3
Mathematics, 21.06.2019 16:30
The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?
Answers: 1
Mathematics, 21.06.2019 18:30
Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?
Answers: 3
Mathematics, 21.06.2019 20:30
I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank
Answers: 2
Mathematics, 21.06.2019 21:30
Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.
Answers: 1
Manufacture of a certain component requires three different machining operations. machining time for...
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