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notsponge [240]
2 years ago
15

6. The population of wolves is currently 250 in a forest. Scientists estimate that there should be a

Mathematics
1 answer:
prisoha [69]2 years ago
7 0

Answer:

275

Step-by-step explanation:

250÷10=25 250+25=275

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Determine the type of correlation that exists in the given data set. Age (years) 23 45 39 74 63 52 59 28 35 11 26 49 IQ 76 82 11
Lyrx [107]

Answer:

B -0.104

Step-by-step explanation:

Step 1: Write the formula for correlation

r =    total xy

√Total x² x Total y²

Step 2: Make a table to calculate all values

Table is attached in the picture below

Step 3 : Solve

Mean of X = Total X/ Total number of X

                  = 507/12

                  = 106.33

Mean of Y = Total Y/ Total number of Y

                  = 1276/ 12  

                  = 42.25

r =    total xy

√Total x² x Total y²

r = -352.05/ √3656.25 x 3122.66698

r = -0.104

-0.104 is negative

This negative correlation means there is an inverse correlation between variables.

6 0
3 years ago
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dentify all of the following solutions of square root of x minus 8 end root plus 8 equals x. (1 point)
viva [34]

Answer:gh

Step-by-step explanation:

3 0
3 years ago
Need help again please
quester [9]

Answer:

F.

Step-by-step explanation:

6 0
3 years ago
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There are 10 girls and 5 boys in a classroom. Of
Mazyrski [523]

Answer:

60%

Step-by-step explanation:

If there's 9 people wearing pink out of 15 then your answers 60%

3 0
2 years ago
The mean sat verbal score is 486, with a standard deviation of 95. use the empirical rule to determine what percent of the score
Pavel [41]
Find the z-scores for the two scores in the given interval.

z=\frac{x-\mu}{\sigma}

For the score x =391, z=\frac{391-486}{95}=\frac{-95}{95}=-1.

For the score x = 486, z=\frac{486-486}{95}=0

Now you want the area (proportion of data) under the normal distribution from z = -1 to z = 0. The Empirical Rule says that 68% of the data falls between z = -1 to z = 1. But the curve is symmetrical around the vertical axis at z = 0, so the answer you want is HALF of 68%.

8 0
3 years ago
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