Mathematics, 21.04.2020 22:21 raekwon12
He monthly credit card debts for individual accounts are normally distributed with a standarddeviation of 61 dollars. A researcher wishes to estimate the mean monthly credit card debt for allindividual accounts. Find the sample size needed to assure with 95% confidence that the samplemean will not differ from the population mean by more than 2 units.
Answers: 1
Mathematics, 21.06.2019 17:20
Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?
Answers: 3
Mathematics, 21.06.2019 19:00
What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box
Answers: 2
Mathematics, 21.06.2019 21:30
He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?
Answers: 1
He monthly credit card debts for individual accounts are normally distributed with a standarddeviati...
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