what equation is used to represent "three minus the difference of a number and one equals one-half of the difference of three ti
1 answer:
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The option b which is is correct answer.
Given to us:
dividing both sides by c, we get
canceling c from right hand side, we get
Therefore, the option b which is is correct answer.
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Answer:
The probability of observing a sample mean of x = 52 or greater from a sample size of 25 is 0.0000026
Step-by-step explanation:
Mean =
Population standard deviation =
Sample size = n =25
Sample mean =
We are supposed to find the probability of observing a sample mean of x = 52 or greater from a sample size of 25 i.e.
Z=5.83
P(Z<52)=0.9999974
Hence the probability of observing a sample mean of x = 52 or greater from a sample size of 25 is 0.0000026