766 miles in 16 hours is what miles per hour.
1 answer:
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Answer:
3.46 x
Step-by-step explanation:
Number of cows 6.4 million = 6.4 x
production rate for each cow per year = 5400 = 5.4 x 10³
Total amount of milk produced per year,
= 6.4 x x 5.4 x 10³
= (6.4) (5.4) x
= 34.56 x
= 3.46 x
Answer:
1.75,0.625
Step-by-step explanation:
Given that a couple plans to have children until they get a girl, but they agree that they will not have more than three children even if all are boys.
a) The couples can have
X I girl I boy, II girl I,II boys, III girl I,II,III boys
Pr. 0.5 0.25 0.125 0.125
b) Expected no of children
=
c)Expected number of boys
=