This is a multi-step problem. All work need to be shown to receive full credit. The standard deviation for Detroit weather is 6 degrees. Tomorrow's temperature will be 86 degrees. If this one day is at the top 10% find.
a. the corresponding z-score. Round to two decimal places. (5 pts)
2
b. use the formula 2 =
to find the mean temperature Round to the nearest degree (5 pts)

Step-by-step explanation:

its 3

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