The baseball teams of the towns of Herrington and Duvall have played each other 30 times.

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population, find the population standard deviation, o.79828588912497

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"