My basketball team plays four games per week. during the first four weeks, we lost all 16 of our games. during week 5, we won three games and lost one game, bringing us to 3 wins and 17 losses for the season so far. each week after that, we win 3 games and lose 1 game. at the end of which week will my team have won at least 65% of its games total for the first time in the season?

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?