Given the mean of a normally distributed data set is 25, with a standard deviation of 5, what percent of the population falls between 15 and 30? A) .5
B) 41.5
C) 61.5
D) 81.5

the f

last graph i believe

step-by-step explanation:

worked it out i believe

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt