In how many days could 20 boys do a peice of work which 25 boys can do in 32 days ?
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Mathematics, 15.08.2021 04:50 willcoop6470
In how many days could 20 boys do a peice of work which 25 boys can do in 32 days ?
Answers: 2
Mathematics, 21.06.2019 23:00, davisbrittany5784
Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.
Answers: 3
Mathematics, 22.06.2019 07:50, queenjade582
Suppose $r$ and $s$ are the values of $x$ that satisfy the equation \[x^2 - 2mx + (m^2+2m+3) = 0\]for some real number $m$. find the minimum real value of $r^2+s^2$.
Answers: 2
Mathematics, 22.06.2019 08:00, cadeedmiston
If you double a recipe and made a huge batch would it be proportionate
Answers: 2
Mathematics, 18.01.2021 14:00
English, 18.01.2021 14:00
Mathematics, 18.01.2021 14:00