4 years ago

Find the mean. Z-score = -1.4 Standard Deviation: 7 x = 20

Mathematics

1 answer:

Umnica [9.8K]4 years ago

8 0

Answer:

9.6

Step-by-step explanation:

You might be interested in

a runner whose initial speed is 1.5m/s increases her speed to 2.4m/s in order to win a race. if the runner takes 4.4s to complet

Sergeeva-Olga [200]

The runner's acceleration would be about .2m/s

4 0

4 years ago

Which of the equations

makkiz [27]

The correct answer is c. D might be seen as the right answer but c is correct. C is correct because x cancels out making it a no solution

8 0

3 years ago

Suppose IQ scores were obtained for 20 randomly selected sets of siblings . The 20 pairs of measurements yield x overbar equals9

solniwko [45]

Answer:

The answer to the best prediction is 115.04

Step-by-step explanation:

We have to:

x = 102

They also tell us that:

y = 5.9 + 1.07 * x

If we replace we have:

y = 5.9 + 1.07 * (102)

y = 115.04

Therefore, the best predicted value of ModifyingAbove and with caret given that the older child has an IQ of 102 is 115.04

7 0

3 years ago

What is 5^3 simplified? Please answer!!

victus00 [196]

Answer:

125

Step-by-step explanation:

5^3=5*5*5

5*5=25

25*5=125

3 0

3 years ago

Read 2 more answers

3x -9 =7x + 12<br>Find X

Lorico [155]

Simple....

you have:

3x-9=7x+12

To even solve this....isolate the variable your are trying to solve for....

3x-9=7x+12
-3x -3x

-9=4x+12

-9=4x+12
-12 -12

-21=4x

Simplify.....

$\frac{-21}{4} = \frac{4x}{4}$

$\frac{-21}{4} =x$

Thus, your answer.

5 0

3 years ago