Histograms are used to represent data using bars.
The probability that at least 2 thumbtacks land pointing up when 5 thumbtacks are tossed is 0.28
The probability that at least 2 thumbtacks land pointing up when 5 thumbtacks are tossed is calculated using the following complement rule:

Using the values on the histogram (see attachment), we have:


Hence, the probability that at least 2 thumbtacks land pointing up when 5 thumbtacks are tossed is 0.28
Read more about probabilities at:
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What is this? But my lunch number is 272937383!
We have
x = t³ ===> dx/dt = 3t²
y = t⁴ ===> dy/dt = 4t³
Then with the given parameteriztion, the line integral along C of x/y is








