The clue words are 'withdraws' and 'deposit'
Withdraws means taking away
Deposit means adding on
The expression is 152 - 20 + 84
Working out the sum, we have 216 and this result represents the balance in the bank account
Answer:
It is a factor.
Step-by-step explanation:
its definitely a factor
rule: put (x-2)=0
so x = 2
now put this 2 in the equation as x
which equals to 0, as a result its a factor
you can check the sum in the calculator by yourself
hope it helps.
Complete question :
X: 3, 4, 5, 6
f(x): .25, .55, .15, .05
Answer:
0.60
Step-by-step explanation:
Given the data:
Variance (s) :
Σx²*f(x) - E(x)²:
E(x) = (3*0.25) + (4*0.55)+(5*0.15)+(6*0.05) = 4
Σx²*f(x) - E(x)²: [(3^2 * 0.25)+(4^2 * 0.55)+(5^2 * 0.15)+(6^2 * 0.05)] - 4²
16.6 - 16 = 0.6
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Just double check that I did the right calculations
