7. The salaries of citizens in a certain town are normally distributed. If 15.87% earn less than $15,000 and 6.68% make over 565,000, what is the mean and standard deviation of the distribution? A) $30,000 and $15,000
B) $40,000 and $25,000
C) $35,000 and $20,000
D) not enough information to solve
E) none of the above

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

answer: rolling a number cube and flipping a coin.

step-by-step explanation:

6 equilateral triangles