Sample proportion: 190/425 = 0.45
ME = 1.96*sqrt[0.45*0.55/425] = 0.047
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95% CI: 0.45-0.047 < p < 0.45+0.047
A) Kara's fee for the second child is $5
withdraw means subtract, deposit means add
152 withdraws 20 deposits 84
152 -20 + 84
152 - 20 + 84 = 132 + 84 = 216
Now she has $216 in the bank
Answer: 2 or 11 if trick question
Step-by-step explanation: just put 1 and 1 together
Is there any more information.