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Andrei [34K]
3 years ago
13

PLEASE HELP 

Mathematics
1 answer:
ohaa [14]3 years ago
7 0
Since we are trying to the nonresponse population, subtract the responded population from the whole population

1334-931=403

then divide your answer from the whole population

403/1334

your answer will come up with a decimal. decimals can easily be switched into percentile form. 0.01=1%

your decimal should be .302, which is 30.2%
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Thirty people attend an event in which 5 are chosen at random to receive door prizes. the prizes are all the same, so the order
Pavel [41]
6 groups of five people
because 30/5 = 6
so 6 groups
8 0
3 years ago
The point (-2, - 5) is on the line given by which equation below?​
Rina8888 [55]

Answer:

The answer to your question is the first choice

Step-by-step explanation:

Data

Point = (-2, -5)

Process

Evaluate each of the equations on the point given.

A. y = x - 3

    -5 = -2 - 3

    -5 = -5     This is true so the point is on this line

B. y = 2x

    -5 = 2(-2)

   -5 = -4       The result is false so the point is not on this line

C. y = -3x

   -5 = -3(-2)

   -5 = 6         The result is false so the point is not on this line

D. y = x + 3

  -5 = -2 + 3

  -5 = 1           The result is false so the point is not on this line

8 0
3 years ago
Read 2 more answers
The pregnancy length in days for a population of new mothers can be approximated by a normal distribution with a mean of 269 day
fenix001 [56]

Answer:

a) 279 b)254

Step-by-step explanation:

Mean = 269 days

standard deviation = 8 days

let n be the pregnancy lenght.  

using normal distribution formula

z = (n – mean)/ standard deviation

n = z * standard deviation + mean

Now, z values for the top 12% has to be found using a z table.

The top 12% means 88% of area under the curve. In this case z = 1,176

n = 1,176 * 8 + 269

n = 278.4 = 279

The bottom 3% means 97% of area under the curve. In this case z = -1,882

n = -1,882 * 8 + 269

n = 253.94 = 254

6 0
4 years ago
WILL MAKE THE BRAINLIEST   The conference table top shown is the shape of two trapezoids. The table top is wooden with a rectang
DaniilM [7]
Trapizoid area formula = (b1+b2)/2×h
rectangle formula =l×w
trapizoid 1: (12+16)/2×5
trapizoid 2: (12+16)/2×5
rectangle: 10×12
solve
t1 + t2:
(12+16)/2×5
28/2×5
14×5=70 +70=
140 ft^2

r: 10×12=120ft^2

140-120=20ft^2 of wood
8 0
3 years ago
4 Two number cubes are rolled. The faces have the numbers 1-6 on them. The number that shows on top is recorded. What is the pro
Len [333]
Of is a answer isn’t
6 0
3 years ago
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