The average number of minutes per week that teenagers spend texting is 250.0. Assume the standard deviation is 72.0 minutes. A random sample of 100 teenagers is taken. Find the probability that the...

Teenager spends texting, please show work and neat handwriting

Extracted text: The average number of minutes per week that teenagers spend texting is 250.0. Assume the standard deviation is 72.0 minutes. A random sample of 100 teenagers is taken. Find the probability that the mean number of minutes teenagers in this sample spend texting is less than 260.0.