PLEASE HELP
The average daily temperatures of a city in the United States were recorded for one year. The graph below shows the information. What is the median and the standard deviation of the average daily temperatures of this city?
a. 90; 36
b. 36; 6
c. 84; 6
d. 84; 8

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.