3 years ago

For a normal distribution, what z-score value separates the lowest 20% of the distribution from the highest 80%?

Mathematics

1 answer:

Elden [556K]3 years ago

4 0

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A jogging track has a length of 1144 yards yd. How long is this in miles mi? First fill in the blank on the left side of the equ

nikdorinn [45]

Answer:

length=0.65 mi

length in yr= 0.65x1760=1144

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2 years ago

Which number line correctly graphs the numbers in the list?

Oksana_A [137]

Answer:

the first option

Step-by-step explanation:

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3 years ago

Evaluate the expression 8x2+9y

Sliva [168]

Answer:

34676

Step-by-step explanation:

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3 years ago

State the radius of the circle of the equation

Eva8 [605]

Answer:

radius = √5 = 2.24 to nearest hundredth.

Step-by-step explanation:

(x + 3)^2 + (y + 3)^2 = 5 comparing with the standard form

(x - h)^2 + (y - k)^2 = r^2

-h = 2 so h = -3, -k = 3 so k = -3.

r^2 = 5 so r = √5.

5 0

3 years ago

To restaurants

spayn [35]

Answer:

$\large \boxed{\mathrm{served \ a \ greater \ variety \ of \ ages}} \\ \\ \large \boxed{\mathrm{range}}$

Step-by-step explanation:

Restaurant A <u>served a greater variety of ages</u> than Restaurant B, because the <u>range</u> of data for Restaurant A is greater than that of Restaurant B.

Range of a data set is the data spread.

Restaurant A is serving a greater variety of ages of people since it has a higher range than that of Restaurant B.

7 0

4 years ago

Read 2 more answers