Mathematics, 24.04.2020 20:28 myanniespencer39
A simple random sample of 60 items resulted in a sample mean of 71. The population standard deviation is 18. a. Compute the 95% confidence interval for the population mean (to 1 decimal). ( , ) b. Assume that the same sample mean was obtained from a sample of 120 items. Provide a 95% confidence interval for the population mean (to 2 decimals). ( , ) c. What is the effect of a larger sample size on the margin of error
Answers: 3
Mathematics, 21.06.2019 19:00
John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11
Answers: 2
Mathematics, 21.06.2019 20:30
In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal
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Mathematics, 21.06.2019 20:30
In an improper fraction, is the numerator equal to, less than, or greater than the denominator
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Mathematics, 21.06.2019 23:30
In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n
Answers: 1
A simple random sample of 60 items resulted in a sample mean of 71. The population standard deviatio...
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