Please help , I dont understand

Free brainliest + free points if answered ! vehicles are expected to be moving at around on highways. a. 30-50 mph b. 40-60 mph c. 50-70 mph d. 60-80 mph

Asap 70 points do you think the little albert experiment was ethical or unethical? why? do you think that inflicting pain or suffering in the name of science is acceptable if something is learned from the experiment? why or why not?

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.