Prompt Respond to the items below.
1. Define and give real-life examples of top-down processing and bottom-up processing.
2. Explain how top-down processing and bottom-up processing are related to sensation and perception.

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

Anyone knows answer for code.org unit 3: intro to programming, lesson 7: apis and function parameters, bubble 11. !

Alife insurance salesman sells on the average 3 life insurance policies per week. use poisson's law to calculate the probability that in a given week he will sell 2 or more policies but less than 5 policies? i just require an answer.