A worker in the automobile industry works an average of 43.5 hours per week. If the distribution is approximately normal with a standard deviation of 1.9 hours, what is the probability that a randomly selected automobile worker works less than 41 hours per week

Can't gugys answer the ratio question. this is urgent the plans of a building is drawn toward scale of 1: 1000. kfc the foyer on the plans measures 62mm by 54mm, how large is the foyer in real life?

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie