Use the given values of n and p to find the minimum usual value μ − 2σ and the

Mathematics

1 answer:

aivan3 [116]2 years ago

7 0

The answer to this question is 39.28; 65.12

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In a sample of 50 randomly selected students at a school, 38 students eat breakfast every morning. There are 652 students in the

Romashka-Z-Leto [24]

For the sample:
$\frac{38}{50} = 0.76 = 76\%$

Applying this to the whole population:

$652 \times \frac {38}{50} = 495.52$

Since we can't have "0.52 of a person" we roudn to the neares whole, or 496.

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3 years ago

Y = x + z<br><br> solve for x

stepladder [879]

Answer:

Step-by-step explanation:

X=Y+Z

4 0

2 years ago

Solve for x: <br> (125^2x)(5x) = 25^3

olga nikolaevna [1]

(125^2x)(5x) = 25^3
(15625x)(5x)=15625
<span>78125x=15625
</span>x=5

Hope I helped ;D

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3 years ago

I’d appreciate help ASAP please and thank you!

White raven [17]

<h3>Answer: Choice C) 40 </h3>

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Work Shown:

Plug in x = 0

$g(x) = 3^{2x}\\\\g(0) = 3^{2*0}\\\\g(0) = 3^{0}\\\\g(0) = 1\\\\$

This indicates that (0,1) is on the curve. This is the y intercept.

Do the same for x = 2

$g(x) = 3^{2x}\\\\g(2) = 3^{2*2}\\\\g(2) = 3^{4}\\\\g(2) = 81\\\\$

So we know that (2,81) is another point on this curve.

We need to find the slope of the line through (0,1) and (2,81) to get the slope of the secant line we want.

$m = \text{slope}\\\\m = \frac{\text{rise}}{\text{run}}\\\\m = \frac{\text{change in y}}{\text{change in x}}\\\\m = \frac{y_2-y_1}{x_2-x_1}\\\\m = \frac{g(2)-g(0)}{2-0}\\\\m = \frac{81-1}{2-0}\\\\m = \frac{80}{2}\\\\m = 40\\\\$

The slope of the line through (0,1) and (2,81) is m = 40. This value of m is exactly the slope of the secant line your teacher is asking for. This is why the answer is choice C.

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2 years ago

What is the explicit equation for this series 25,21,17,13

Neko [114]

Answer:

The explicit rule is:

Step-by-step explanation:

The explicit rule is given by:

$a_n=a_1+d(n-1)$