Mathematics, 10.11.2020 17:00 murphyscott794
In order to estimate the mean monthly rental of the 300,000 31/2 room apartments for lower income housing in New York City a random sample of apartments is chosen and the rents are recorded. The housing authority wishes to be 95% certain that the error in estimating the mean monthly rental is less that $20. How many apartments should be in the sample? The standard deviation of rents is not known.
Answers: 3
Mathematics, 21.06.2019 22:00
Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4
Answers: 1
Mathematics, 21.06.2019 22:20
As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is
Answers: 2
In order to estimate the mean monthly rental of the 300,000 31/2 room apartments for lower income ho...
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