Mathematics, 28.04.2021 23:30 melikefood01
You wonder if weather (rain, cloudy or sunny) makes a difference on mood (happy or not). To determine this, you sample the moods of 200 people on a sunny day, 200 people on a rainy day and 200 people on a cloudy day and record whether they were happy or not. You then want to do a chi square test on this data. What are the degrees of freedom?
Answers: 2
Mathematics, 21.06.2019 13:20
In the triangle abc< angle c is a right angle. find the value of the trig function indicated. find tan a if a =12, b=5 a. 13/12 b. 12/13 c. 5/12 d.12/5
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Mathematics, 21.06.2019 15:30
The function ฦ is defined by ฦ(x) = (x + 3)(x + 1). the graph of ฦ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ฦ?
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Mathematics, 21.06.2019 16:30
Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?
Answers: 2
You wonder if weather (rain, cloudy or sunny) makes a difference on mood (happy or not). To determin...
Mathematics, 16.10.2019 01:10
Mathematics, 16.10.2019 01:10
Mathematics, 16.10.2019 01:10