According to media research, the typical american listened to 195 hours of music per year (µ=195). john trythall is a big country and western music fan. he listens to music while working around the house, reading and riding in his truck. assume the number of hours spent listening to music follows a normal distribution with a standard deviation of 8.5 hours (σ=8.5). if john is in the top 1 percent in terms of listening time, at least how many hours does he listen per year?

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

Use sigma notation to represent the following series for 9 terms.