A fruit bowl contains 10 pieces of fruit and 2/ 5 are apples. How many apples are in the fruit bowl?
2 answers:
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Answer:
.018 Kg/cm^3
Step-by-step explanation:
Density (P) is equal to the mass (9.9g) divided by volume (.55cm^3)
= 18g/cm^3
=.018kg/cm^3
Answer:
a) Computing the expected value E(XY) gives 1/4
b) The probability density function fZ(z) of Z = XY is calculated in the attached picture.
c) Computing E(Z) gives 1/4
Step-by-step explanation:
Comparing the computation of E(Z) using the answer to b), it shows that the values are equal.
