Answer:
48 pieces
Step-by-step explanation:
20÷5/12=20*12/5=240/5=48
The first three statements are correct while the last statement is incorrect.
PLZ HELP IVE BEEN WAITING FOR 1HR : <span>A rectangular prism has a length of 8 in., a width of 4 in., and a height of 2 1/4 in.
The prism is filled with cubes that have edge lengths of 1/4 in.
How many cubes are needed to fill the rectangular prism?</span>
Answer:
There was 32.5mm of rainfall on the seventh day.
Step-by-step explanation:
Mean of a data-set:
The mean of a data-set is the sum of all values of a data-set divided by the number of values in the data-set.
The mean daily rainfall for a week was 5.5mm.for the first six days the mean rainfall was 1mm.
This means that during the week(7 days), the total amount of rain was of:

How much rainfall on the seventh day ?
This is x. We have that:




There was 32.5mm of rainfall on the seventh day.
For given Poisson distribution, <span>μ=8.
</span>P(k)=μ^k*e^(-<span>μ)/k!
so
P(4)=8^4*e^(-8)/4!=0.05725 approx.
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