A certain manufacturer produces a cars at two factories labeled A and B . 10% of the cars produced at factory A are found to be defective , while 5% of the cars produced at the factory B are defective . If the factory A produced 200,000 cars per year and factory B produced 300,000 cars per year compute the following a. The probability of purchasing a defective car from the manufacturer b. If a car purchasing the manufacturer is defective , what is the probability that it came from factory A

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

What is r i 4.5+10r=-6.5 with work pls

Carla was trying to decide what to do saturday evening. she has $100 available to spend for the evening. she has narrowed her choices down to these events: braves game, a concert of an artist she likes, or the georgia aquarium. admission to the braves game is $25, hot dogs cost $10, sodas cost $5. the concert costs $25 for admission, $20 for a souvernir t-shirt, and $10 for a soda. the georgia aquarium has the show of a lifetime with an all you can eat and drink that costs $100. carla does not want to take any driving chances, so in addition to the cost of the aquarium, she will also need to pay for her uber/lyft, which is $15 each way. which option should carla choose if she wants to spend the least? based on that choice, what then is carla's oppotunity cost? fully explain your answer in at least one paragraph.