Medication is prescribed in 4 out of every 10 hospital emergency room visits that involve an injury. If a large urban hospital had 910 emergency room visits involving an injury in the past​ month, how many of these visits would you expect included a prescription for​ medication?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)