A database contains information on the wait times patients h…

A database contains information on the wait times patients have reported in the emergency room to see a physician since the hospital opened 5 years ago. Suppose the wait times vary according to a normal distribution with mean wait time of 1.9 hours and a standard deviation of 0.7 hours. Based on a simple random sample of 23 patients at the hospital in the waiting room, what is the probability that they will have to wait for more than 2.5 hours?

A 25 year old woman and her husband present to your office c…

A 25 year old woman and her husband present to your office complaining of sexual dysfunction. They have been married for two months and have not had intercourse because “I just tense up down there” according to the woman. They read a book about sexual dysfunction and think the issue is vulvodynia. Which of the following would help in the diagnosis of vulvodynia?