Mathematics, 28.04.2021 06:50 staxeeyy767
30 students participated in a survey. 9 students stated they took French, 14 students stated they took Spanish, and 7 students stated they took both. To the nearest two decimals, what is the probability of selecting a student that took either French or Spanish?
Answers: 1
Mathematics, 21.06.2019 13:10
The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?
Answers: 1
Mathematics, 21.06.2019 14:30
Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.
Answers: 3
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