Mathematics, 14.10.2019 19:00, aaron0828
The cape hatteras lighthouse in north carolina was constructed in 1802 and stands 210 feet tall. it is the tallest brick lighthouse in the united states and has a beacon with a 36-inch diameter that can be seen for 20 miles. what formula can you use to calculate the area of the beacon?
Answers: 2
Mathematics, 21.06.2019 22:30, thelonewolf5020
Amachine that produces a special type of transistor (a component of computers) has a 2% defective rate. the production is considered a random process where each transistor is independent of the others. (a) what is the probability that the 10th transistor produced is the first with a defect? (b) what is the probability that the machine produces no defective transistors in a batch of 100? (c) on average, how many transistors would you expect to be produced before the first with a defect? what is the standard deviation? (d) another machine that also produces transistors has a 5% defective rate where each transistor is produced independent of the others. on average how many transistors would you expect to be produced with this machine before the first with a defect? what is the standard deviation? (e) based on your answers to parts (c) and (d), how does increasing the probability of an event a↵ect the mean and standard deviation of the wait time until success?
Answers: 3
The cape hatteras lighthouse in north carolina was constructed in 1802 and stands 210 feet tall. it...
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