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3 years ago

Help idk thissssssssss bdkfjxjd

Mathematics

1 answer:

Shkiper50 [21]3 years ago

7 0

Answer:

7.53 if you put 753% in a decimal it is 7.53

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3 years ago

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2 years ago

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Nadya [2.5K]

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2 years ago

GRADES A professor announces that course grades will be computed by

amm1812

HELP ME PLES

PERIOD, FREQUENCY OR AMPLITUDE

1. Doesn't change period

2. More of this means more energy

3. Increases as a pendulum swings back and forth faster

4. Measured in cycles per second

5. Measured in meters or centimeters

6. This is decreases with smaller swing

7. If the frequency increases, this decreases

8. Measured in Hertz

9. Measured in seconds

10. if it swings back and forth slower, this decrease

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2 years ago

Based on the random sample of n=800 observations, we have obtained a sample proportion p(bar =0.44. the goal is to test: h(0: p?

uysha [10]

<span>The standard error of a distribution of sample proprtions is defined as the standard deviation of the distribution and is symbolized by
$SE(\hat{p})$
and is calculated by the formula
$SE(\hat{p})= \sqrt{ \frac{p(1-p)}{n} }$ </span>.

Given a <span>random sample of n = 800 observations and a sample proportion p = 0.44.

To test:
$H_0:\hat{p}\ \textgreater \ 0.48 \\ H_a:\hat{p}\ \textless \ 0.48$

The standard error rounded to four decimal places is given by:
$SE(\hat{p})= \sqrt{ \frac{0.44(1-0.44)}{800} } \\ \\ = \sqrt{ \frac{0.44(0.56)}{800} } = \sqrt{ \frac{0.2464}{800} } \\ \\ = \sqrt{0.000308} =\bold{0.0175}$ </span>

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2 years ago