Lie detectors refer to exercise 82. let y = the number of people who the lie detector says are telling the truth.

(a) find p(y ≥ 10). how is this related to p(x ≤ 2)? explain.
(b) calculate μx and σy. how do they compare with μx and σy? explain why this makes sense.

Natasha spent 1 1/2 hours on the beach. she fell asleep for 3/4 of the time she was on the beach and then woke up with a terrible sunburn.how many hours was natasha asleep on the beach?

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores