A college has 480 students. Each student is numbered 1 through 480. A sample of 25 students is needed, so a computer randomly ge
nerates 25 numbers from 1 through 480. What kind of sampling method is being used?
convenience sampling
simple random sampling
systematic sampling
volunteer sampling
2 answers:
The answer is simple random
Convenience. She just asked whoever she saw.
Simple random sampling. There was no sort of grouping or anything involved, and they tell you random numbers were used.
121 of 162 said yes, so the experimental probability is 121/162
4055 * 121/162 = 3028.73... = 3029 people.
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Answer:
6.5 seconds
Step-by-step explanation:
When s=0, we have ...
0 = -16t^2 +676
t^2 = 42.25 . . . . . add 16t^2, divide by 16
t = √42.25 = 6.5
6.5 seconds will pass before the object hits the ground.
B. Not a function because both (3,6) (4,6) have the same y making them not a function
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The third one. x is greater than it or equals to -7
