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Trava [24]
2 years ago
13

How do you write 8/5 as a percentage

Mathematics
2 answers:
Lisa [10]2 years ago
8 0

Answer:

160%

Step-by-step explanation:

percents are out of 100

for example, 60% is 60/100

to get 8/5 as a percent, create an equivalent fraction with 100 as the denominator

8/5 is equivalent to 160/100 (both 8 and 5 were multiplied by 20)

so 8/5 is 160%

or

you could divide 5 into 8 and get 1.6 which is 160%

kupik [55]2 years ago
4 0

Answer:

160%

Step-by-step explanation:  

8/5 is equivalent to 160/100 (both 8 and 5 were multiplied by 20)

or  

=>  8/5 = 1.6 => 160/100 => 160%  

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Answer:

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Step-by-step explanation:

The confidence interval for population variance is given as below:

[(n - 1)\times S^{2}  /  X^{2}  \alpha/2, n-1 ] < \alpha < [(n- 1)\times S^{2}  / X^{2} 1- \alpha/2, n- 1 ]

We are given

Confidence level = 98%

Sample size = n = 81

Degrees of freedom = n – 1 = 80

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(By using chi-square table)

[(n – 1)*S^2 / X^2 α/2, n– 1 ] < σ^2 < [(n – 1)*S^2 / X^2 1 -α/2, n– 1 ]

[(81 – 1)* 3.23 / 112.3288] < σ^2 < [(81 – 1)* 3.23/ 53.5401]

2.3004 < σ^2 < 4.8263

Lower limit = 2.30

Upper limit = 4.83.

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Step-by-step explanation:

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