Mathematics, 23.10.2020 05:01 driskell3
A ball is thrown straight down from the top of a 485-foot building with an initial velocity of -19 feet per second. Use the position function below for free-falling objects.
s(t) = -16t2 + v0t + s0
What is its velocity after 2 seconds?
v(2) = _ ft/s
What is its velocity after falling 332 feet?
v = _ ft/s
Answers: 2
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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?
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A ball is thrown straight down from the top of a 485-foot building with an initial velocity of -19 f...
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