Answer:
.71
Step-by-step explanation:
Divide .5 4 then do the rest
Answer:
y = - c/B + Ax/B
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
x = - 6
Step-by-step explanation:
Given
x + 5 = 1 ( subtract 5 from both sides )
x = - 4
Multiply both sides by 3 to clear the fraction
2x = - 12 ( divide both sides by 2 )
x = - 6
Answer:

Step-by-step explanation:
Given
-- number of rolls
Required
The mean of 2's
The distribution follows binomial distribution where:

In this case:
---- the theoretical probability of rolling 2
So, the mean of 2's is calculated using:



Simplify
or
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