Answer:
A
Step-by-step explanation:
To answer the question above, we have to use the z-score percentile table for the standard normal distribution. It shows:
The 20th percentile = - 0.84
The 40th percentile = - 0.25
The 60th percentile = 0.25
The 80th percentile = 0.84
I hope my answer helped you. Have a nice day!
Answer:
Step-by-step explanation:
Answer: x=−5 or x=5
Step-by-step explanation:
−3x4+27x2+1200=0
Step 1: Factor left side of equation.
−3(x2+16)(x+5)(x−5)=0
Step 2: Set factors equal to 0.
x2+16=0 or x+5=0 or x−5=0
x=−5 or x=5
Museum C because for every 3 guests you pay $4(?) each.
3/4
12/16=3/4
18/24=3/4
