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Advocard [28]
3 years ago
12

The weight of softballs is uniformly distributed over the interval of 8 to 12 ounces, inclusively. what is the probability that

a randomly selected softball will weigh between 13 and 15 ounces?
Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
7 0
We wil use the density function of the uniform distribution:
f(x)=\dfrac{1}{b-a}\int_a^xdy
Using the given values: a=8,b=12, w get:
P(13\leq X\leq15)=\dfrac{1}{12-8}\int_{13}^{15}dy\\
=\dfrac{1}{12-8}*0=0
the probability is zero then.
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