Mathematics, 14.12.2019 00:31 92054ggg
Asupervisor wants to know the average number of hours worked by employees in a factory. there are 18 managers, 240 laborers, and 54 administrators. three managers are chosen to participate in the survey. in order for the sample to accurately represent the population, about how many administrators should be chosen?
a) 6
b) 9
c) 18
d) 21
Answers: 2
Mathematics, 21.06.2019 16:00
Ernest is purchasing a $175,000 home with a 30-year mortgage. he will make a $15,000 down payment. use the table below to find his monthly pmi payment.
Answers: 2
Mathematics, 21.06.2019 20:00
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
Mathematics, 21.06.2019 21:30
Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?
Answers: 1
Asupervisor wants to know the average number of hours worked by employees in a factory. there are 18...
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