The following table lists the history of 1000 orders for features in an entry-level computer product.
Extra Memory | |||
No | Yes | ||
Optional high- | No | 560 | 80 |
speed processor | Yes | 120 | 240 |
Let A denote the event that an order requests the optional high-speed processor, and let B denote the event that an order requests extra memory. Determine the following probabilities. Round your answers to 2 decimal places.
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