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Bottles of popular cola drinks are supposed to contain 300ml of cola.
There is some variation from bottle to bottle because the filling
mackinery is not perfectly precise. the distribution fo the contents is
normal with SD=3ml. The result of the average is 299.03. Is this
convincing evidence that the mean contents of cola bottles is less than
the advertised 300ml?(Find the z)
A coin is tossed 10 times. What is the chance of observing 6
heads?
Find the area under the x^2 curve with 10 degrees of freedom
from the right of 4.86.
A die is rolled 1296 times and lands on heads 650 times. Find the
Z-value if it was expected to land on heads 600 times.
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