Ineed understanding this.
angela plays soccer and golf for a total of 125 minutes every...
Mathematics, 14.01.2020 18:31, ashortt7721
Ineed understanding this.
angela plays soccer and golf for a total of 125 minutes every day. she plays soccer 45 minutes more than she plays golf.
part a: write a pair of linear equations to show the relationship between the number of minutes angela plays soccer (x) and the number of minutes she plays golf (y) every day.
part b: how much time does angela spend playing golf every day?
part c: is it possible for angela to have spent 80 minutes playing soccer every day? explain your reasoning.
Answers: 1
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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?
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