A sustained muscle contraction is referred to as what ?
1 answer:
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Answer:
<em>The average number of days is more than 43% from the past 8 years is 43.15 days and it is less than Sample mean of 47 for 20 samples</em>
Explanation:
From the data
Population mean = μ=43 days
Population variance==196
Sample size n=20
Sample mean =47
Part a:
Using values from the reference question found online.
Given α=43%
α=0.43
At 1-α=0.57
from the table yields 0.18
Now the value is given as
Part b:
Sample mean of 47 for 20 samples is more than 43% of the days from last 8 years.