Mathematics, 24.10.2020 01:10 Leggett3146
A 5' 6"-tall student casts a shadow 8 ft long at the same time a tree casts a 30-ft shadow. How tall is the tree? (Hint: The tree and its shadow are similar to the student and her shadow.) NONE OF MY ANSWERS SAY "7 FOOT SO DONT SAY THAT, THANK YOU.
Answers: 1
Mathematics, 21.06.2019 18:00, ethangeibel93
What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers
Answers: 1
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
A 5' 6"-tall student casts a shadow 8 ft long at the same time a tree casts a 30-ft shadow. How tall...
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