Suppose the people living in a city have a mean score of 49 and a standard deviation of 7 7 on a measure of concern about the environment. Assume that these concern scores are normally distributed....

Suppose the people living in a city have a mean score of 49

and a standard deviation of


7

7



on a measure of concern about the environment. Assume that these concern scores are normally distributed. Using the


50%


minus

−



​
34%


minus

−



​
14%


figures,
approximately what percentage of people have a score​
 (a)
above



49



​
,


(b)
above



56



​
,


(c)
above 35


​
(d)
above 42

​
,


​
(e)
below



49



​
,


​
(f)
below



56



​
,


​
(g)
below



35



​
,

and​
 (h)
below



42



​
?