Answer:
475.
Step-by-step explanation:
We have been given that for a normal distribution with μ=500 and σ=100. We are asked to find the minimum score that is necessary to be in the top 60% of the distribution.
We will use z-score formula and normal distribution table to solve our given problem.

Top 60% means greater than 40%.
Let us find z-score corresponding to normal score to 40% or 0.40.
Using normal distribution table, we got a z-score of
.
Upon substituting our given values in z-score formula, we will get:





Therefore, the minimum score necessary to be in the top 60% of the distribution is 475.
To find the graph of f(x) = x^2 - 2x + 3, you can either plug in values into where the x variable stands and solve for their corresponding y-values or you can also use your graphing calculator or even Desmos works!
Answer:a
Step-by-step explanation:
Answer:
36
Step-by-step explanation:
Hullo :D
If you're having trouble understanding, you might not understand the Order of Operations.
P - Parenthesis. Solve what's inside the Parenthesis first
E - Exponents. Solve for Exponents second.
M - Multiply. Multiply numbers third. (left - to - right with division, too)
D - Divide. Divide fourth. It is interchangeable with multiplication, as well.
A - Addition. Add fifth.
S - Subtract sixth. It is interchangeable with Addition, as well.
With that in mind, all we need to do is identify these types in the equation:
(6+3)4
We see parenthesis. We will solve them first according to the Order of Operations:
6 + 3 = 9.
(9)4
We see multiplication. We solve them next according to the Order of Operations:
9 × 4 = 36.
Thus, the final answer is
.
Hope this helps!
I can help what are the problems