The random variable X, which represents the number of cherries on a cake, has the following probability distribution:
x | f(x) |
---|---|
4 | 0.2 |
5 | 0.4 |
6 | 0.3 |
7 | 0.1 |
Calculate the probability that the average number of cherries in 36 cakes is less than 5.1
Write the answer with 4 decimals.
Solution:
probability that the average number of cherries in 36 cakes is less than 5.1
σx = 0.9 / Sqrt(36) = 0.15
The random variable X, which represents the number of cherries on a cake, has the following...
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