Select the correct answer. The domain of function ris(-00,-7) U (-7,5) U (5,00), and the value of the function approaches 1 as x approaches -oo and co. Which function
could be function ?
O A f()=='
ОВ.
f(t)= 22 + 25 – 35
2: - 35
OC (0)
12 - 35 – 15
:2 + 25 - 35
2 + 25 - 35
OD.
f(t) = -2- 3. - 15
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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?