Answer: A
Step-by-step explanation: A function means that your x can only have one y but your y can have multiple x's.
Given:
μ = 70, the mean
σ = 10, the standard deviation
The random variable is x = 65.
Calculate the z-score.
z = (x - μ)/σ = (65 -70)/10 = - 0.5
From standard ables, obtain
P(x<5) = 0.3085 ≈ 30%
The score of 65 is in the 30th percentile.
Answer: 30th
7 times, means 7 x intercepts, means 7th degree
answer is 7th degree