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raketka [301]
3 years ago
9

A spinner is divided into eight equal parts and numbered 1 through 8. Dora spins the spinner. Identify the probability of gettin

g an even number as a fraction, as a decimal to the nearest hundredth, and as a percent to the nearest whole percent.
Mathematics
1 answer:
zhenek [66]3 years ago
4 0

Answer:

4/8 or 1/2 simplified of getting an even number .5 and 50%

Step-by-step explanation:

There are 4 even numbers between 1 and 8 so you take those 4/8

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A study was conducted to determine whether magnets were effective in treating pain. The values represent measurements of pain us
amm1812

Answer:

Given:

Sham: n= 20,     x=0.44,   s=1.24,

Magnet:n= 20,  x =0.49,   s= 0.95

For Sham:

Sample size, n = 20

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For Magnet:

Sample size = 20

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The null and alternative hypotheses:

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Sham: degrees of freedom = n - 1 = 20 - 1 = 19

Magnet: degrees of freedom = n - 1 = 20 - 1 = 19

The critical values:

[Za/2, df1, df2)], [(1 - Za/2), df1, df2]

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f[0.025, 19, 19], f[0.975, 19, 19]

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