To solve for the minimum score required, we find for the z
score value at P = 0.97 (top 3%). The z score is:
z = 1.88
Then we use the formula to find for X:
z = (X – u) / s
1.88 = (X – 400) / 100
X = 588
<span>You have to score at least 588.</span>
Answer:
4
By pythagorean rule
Answer: B
Step-by-step explanation:
first write t in terms of x
x = 7t - 3
7t = x+3
t = x/7 + 3/7
plug into y
y = 5t+1
y = 5x/7 + 15/7 + 7/7
y = 5x/7 + 22/7
so your answer is B