Identify the property used to find the equivalent expression
[(4+(-2)]+1=4[(-2)+1]...
Mathematics, 19.09.2019 01:00 kana13
Identify the property used to find the equivalent expression
[(4+(-2)]+1=4[(-2)+1]
Answers: 3
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Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?
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School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?
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[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?
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The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
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