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AnnZ [28]
3 years ago
7

Suppose you are spinning pennies to test whether you get biased results. When you reject the null hypothesis when it is actually

true, that is often called the first kind of error. The second kind of error is when the null is false and you fail to reject. Report the first kind of error and the second kind of errorThe null hypothesis is that the penny is ........(not biased/biased). The first kind of error is saying the penny is ...,,(biased/not biased) when in fact the penny is .....(biased/not biased). The second kind of error is saying the pennyIs .....(not biased/biased) when in fact the penny is .....(biased/not biased).
Mathematics
1 answer:
sergejj [24]3 years ago
5 0

Answer:

Step-by-step explanation: i'm not really sure ether

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This week to average $20 for the 5 weeks
zalisa [80]

Answer:

I’m guessing the answer is 4 dollars

Step-by-step explanation:

To find the unit rate you have to divide 20 dollars by 5 weeks

20 divided by 5 is 4

The unit rate is 4 dollars per week

4 0
3 years ago
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The lengths (in inches) of a sample of snakes in the Clarmont Zoo's reptile house are as follows: 9, 15, 86, 13, 16, 101, 85, 10
elena-14-01-66 [18.8K]

Answer:

A higher value of standard deviation tells us that there is high variability in the length of the snake from the mean length of the snake.

Step-by-step explanation:

We are given the following information in the question:

Sample of snakes in the Clarmont Zoo's reptile house are as follows:

9, 15, 86, 13, 16, 101, 85, 10, 14, 16, 102

Formula:

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{467}{11} = 42.4545

Sum of squares of differences = 1119.206611 + 753.7520659 + 1896.206612 + 867.5702477 + 699.842975 + 3427.570248 + 1810.115703 + 1053.29752 + 809.6611568 + 699.842975 + 3545.661158 = 16682.72727

S.D = \sqrt{\frac{16682.72727}{10}} = 40.8445

Standard deviation:

  • Standard deviation tells you how spread out the data is.
  • It is a measure of how far each observed value is from the mean.
  • A low standard deviation indicates that the values tend to be close to the mean, while a high standard deviation indicates that the values are spread out over a wider range.

A higher value of standard deviation tells us that there is high variability in the length of the snake from the mean length of the snake. The data is overspread over a wide range.

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3 years ago
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Evaluate 098^5 using the binomial theorem 

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a

Step-by-step explanation:

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2 years ago
I need help studying for a quiz?
Slav-nsk [51]

Answer:

what is the question I ask

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