Mathematics, 07.03.2020 03:32 tfhdg
A study of consumer smoking habits includes 186 people in the 18-22 age bracket (42 of whom smoke), 124 people in the 23-30 age bracket (40 of whom smoke), and 99 people in the 31-40 age bracket (21 of whom smoke). If one person is randomly selected from this sample, find the probability of getting someone who is age 18-22 or does not smoke.
Answers: 2
Mathematics, 21.06.2019 14:30
The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i
Answers: 2
Mathematics, 21.06.2019 16:30
An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.
Answers: 2
Mathematics, 21.06.2019 16:40
Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.
Answers: 3
A study of consumer smoking habits includes 186 people in the 18-22 age bracket (42 of whom smoke),...
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