The number of calls received by a certain ticket agency in a given hour is normally distributed. The mean number of calls is 200, and the standard deviation is 25. During a given hour, what is the probability that the agency will receive

How do you find the distance of each number from the mean

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)