Mathematics, 04.07.2020 22:01 les6965
A random sample of 160 car purchases are selected and categorized by age. The results are listed below. The age distribution of drivers for the given categories is 18% for the under 26 group, 39% for the 26 dash 45 group, 31% for the 45-65 group, and 12% for the group over 65. Find the critical value chi Subscript alpha Superscript 2 to test the claim that all ages have purchase rates proportional to their driving rates. Use alpha equals 0.05 .
Answers: 3
Mathematics, 21.06.2019 15:00
With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.
Answers: 1
Mathematics, 21.06.2019 16:00
Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz
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Mathematics, 21.06.2019 18:30
Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)
Answers: 2
Mathematics, 21.06.2019 21:00
Joanie watched 1 out of three of a movie in the morning
Answers: 1
A random sample of 160 car purchases are selected and categorized by age. The results are listed bel...
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