Expression:
We can add just the terms that are similar, as follows:
Simplifying:
Answer: B.
Furaha sold a mobile phone at sh.6000 making a profit of 20%. what was the buying price????
1 answer:
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Answer:
a. possible sample size is 10
b. mean is 3
c standard deviation is 0.9
Step-by-step explanation:
Mean of any given set of numbers is the "average" you're used to, where you add up all the numbers and then divide by the number of numbers.
Standard deviation is a measure of the amount of variation or dispersion of a set of values.
Go to attachment for detailed analysis.
