Hungry Howies, a local pizza delivery chain, wants to provide the best service possible for its customers. They decide to record the delivery times 100 randomly selected days, taking the average each day. The resulting distribution is approximately normally with an overall mean of 31.2 minutes. (a) On one randomly selected day the average delivery time was 34 minutes, which is 0.43 standard deviations above the mean. What is the standard deviation of the distribution?

Darell has a home gym that his older brother set up. nobody has used the gym for a few years but darell has decided to give weight lifting a try. he talks to his gym teacher, who shows him proper form for the exercises and does performance testing. together they design a starter program that includes a warm-up, stretching, and some basic weight-lifting exercises, followed by a time of stretching. on the first day of his routine, darell is injured. what is the most likely cause of his injury?

Which of the following covers all qualified higher education expenses

Why are radio observatories located in valleys far away from urban centers? a. to shield them from electromagnetic interference b. to avoid sound pollution c. to avoid disturbing people living in the city d. to shield them from water vapor