Your percentage of change would have to be about 21.05, but the full answer is 21.05263. Since we are going to need to round to the nearest percent, you would have 22% decrease. The difference in the change is -20.
Answer:
a. Mariah’s estimate of the time is too low
Step-by-step explanation:
To answer this question, we are going to need to input the values in the question into the compound interest formula:
<em>P = initial balance</em>
<em>r = interest rate (decimal)</em>
<em>n = number of times compounded annually</em>
<em>t = time</em>
<em />
First, change 3.75% into a decimal:
3.75% -> 
-> 0.0375
Since the interest is compounded quarterly, we will use 4 for n. Lets plug in the values now:
Mariah's estimate of the time is too low. Your answer is A.
Answer: 3/4 i think
Step-by-step explanation:
The correct answer is D. The numerator and the denominator must be divided by the same number, and 16 is the highest number they can both be divided by. It would simplify down to 3/4.
Answer:
d) 205
Step-by-step explanation:
<u><em>Step(i):-</em></u>
x : 100 150 200 250 300
p(X=x) : 0.10 0.20 0.30 0.30 0.10
<u>Step(ii):-</u>
Let 'X' be the discrete random variable
Expected value of the random variable
E(X) = ∑ x P(X=x)
= 100 X 0.10 + 150 X 0.20 + 200 X 0.30 +250 X 0.30 + 300 X 0.10
= 205
<u>Final answer:</u>-
The expected value E(X) = 205
