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Vsevolod [243]
3 years ago
7

On a standardized exam, the scores are normally distributed with a mean of 300 land a standard deviation of 20. Find the z-score

of a person who scored 322 on the exam.
Mathematics
1 answer:
Liula [17]3 years ago
6 0

Answer:

82?

Step-by-step explanation:

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-2 1/6 + -3 1/3 + -5 1/2
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Answer:

-2 1/6 + -3 1/3 + -5 1/2 = -11

Step-by-step explanation:

-2 + -3 + -5 = -10

-1/6 +- 1/3 + -1/2 = -1

-10+-1=-11

3 0
3 years ago
What is 948 divided by 1,000
lana [24]

948 divided by 1,000 is 0.948

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musickatia [10]
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julia-pushkina [17]

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3 2/3 is greater

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6 0
3 years ago
Alex invests his money in an account paying 2% interest compounded semiannually. What is the effective annual yield on this acco
Travka [436]

Answer: 2.01%.

Step-by-step explanation:

Suppose Alex invests $1 into the account for one year. The formula is A=P0⋅(1+rk)N⋅k with P0=$1. We know that r=0.02 and k=2 compounding periods per year. Now, N=1 year. Substituting the values we have A=$1⋅(1+0.022)2=$1.0201. Now, to calculate the effective annual yield, we will use the formula rEFF=A−P0P0. rEFF=1.0201−11=0.0201 or 2.01%. When rounded to two decimals, rEFF=2.01%. However, do not include the % in your answer.

3 0
3 years ago
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