Mathematics, 16.04.2020 02:06 KallMeh
The mean annual income for people in a certain city is 37 thousand dollars, with a standard deviation of 28 thousand dollars. A pollster draws a sample of 50 people to interview. What is the probability that the sample mean income for these 50 people is between 31 thousand dollars and 41 thousand dollars?
Answers: 2
Mathematics, 21.06.2019 16:00
You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?
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Mathematics, 21.06.2019 19:30
Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?
Answers: 1
The mean annual income for people in a certain city is 37 thousand dollars, with a standard deviatio...
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