Mathematics, 27.09.2019 00:00 jep88
Look at the problem and work shown. in which line was an error made and what should have been done differently? six less than 4 times a number is 50. what is the number? 6 – 4n = 50 (line 1) 6 – 6 – 4n = 50 – 6 (line 2) –4n = 44 (line 3) –4n÷ –4 = 44÷ –4 (line 4) n = –11 (line 5)
Answers: 1
Mathematics, 21.06.2019 18:30, leobaut6145
Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.
Answers: 1
Mathematics, 21.06.2019 19:00, niquermonroeee
Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f
Answers: 1
Look at the problem and work shown. in which line was an error made and what should have been done d...
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