The distance from town A to town B is five milesC is six miles from BWhich of the following could be the distance from A to C?
2 answers:
Answer:
E I, II, or III
Step-by-step explanation:
Case I — A, B, and C in a straight line, with B in the middle
The distance be A and C is 11.
Case II — A, B, and C in a straight line, with A in the middle
The distance be A and C is 1.
Case III — C off to the side of A and B
The distance be A and C is 7.
All three could be the distance from A to C.
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Answers and Step-by-step explanation:
Hypotheses are:
H o=19.8
H 1 ≠19.8
Here we have following information:
s=2.45, X bar=20.1, n=50
So test statistics will be
t=20.1-19.8/(2.45/ =0.87
Degree of freedom : d f = n - 1 = 50 - 1 =49
Test is two tailed so critical value of the test is -1.30 and 1.30.
Rejection region:
if t < -1.30 and t > 1.30, reject H o
Since test statistics lie in the rejection region so we fail to reject the null hypothesis.
(b)
The observed significance of the test is
P value =0.3885
(c)
Since p value is greater than 0.20 so we fail to reject the null hypothesis.
After 6 years the investment is $5555.88
Step-by-step explanation:
A principal of $3600 is invested at 7.5% interest, compounded annually. How much will the investment be worth after 6 years?
The formula used to find future value is:
where A(t) = Accumulated amount
P = Principal Amount
r = annual rate
t= time
n= compounding periods per year
We are given:
P = $3600
r = 7.5 %
t = 6
n = 1
Putting values in formula:
So, After 6 years the investment is $5555.88
Keywords: Compound Interest formula
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