What is two-thirds divided by 10? (will give brainliest)
2 answers:
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We are given the results of an election:
Candidate Fraction of votes
Johnson =
Smith =
Dragovic =
Now, we need to find the difference between the fractions of votes received by Dragovic and Johnson.
Therefore, difference is :
Taking common denominator of 2 and 9 is 18.
Therefore, the difference between the fractions of votes received by Dragovic and Johnson is .
Answer:
[ 21.79, 33.0 ]
Step-by-step explanation:
Given:
Sample size, n = 7
Sample mean, μ = 27.4
Standard deviation, σ = 5.75
Confidence level is 99%
also, population is normal i.e normally distributed
Thus,
Confidence interval = μ ±
For confidence level of 99%
z-value = 2.58
Therefore,
Lower limit of Confidence interval = μ -
or
Lower limit of Confidence interval = 27.4 -
or
Lower limit of Confidence interval = 21.79
Upper limit of Confidence interval = μ +
or
Upper limit of Confidence interval = 27.4 +
or
Upper limit of Confidence interval = 33.00
Hence, confidence interval = [ 21.79, 33.0 ]