P(A)=.50 P(B)=.40, and P(A and B) = .15 what is P(a and B)

Mathematics

2 answers:

vichka [17]2 years ago

5 0

Answer: 0.75

Step-by-step explanation:

Its correct on AP3X! :)

seropon [69]2 years ago

3 0

Answer:

0.75

Step-by-step explanation:

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A leading bank is coming up with an investment that pays 8 percent interest compounded semiannually. What is the investment's ef

uranmaximum [27]

The effective rate is calculated in the following way:
$r = {(1 + \frac{i}{n} )}^{n} - 1$
where r is the effective annual rate, i the interest rate, and n the number of compounding periods per year (for example, 12 for monthly compounding).
our compounding period is 2 since the bank pays us semiannually(two times per year) and our interest rate is 8%
so lets plug in numbers:
$r = {(1 + \frac{8\%}{2}) }^{2} - 1 \\ r = {(1 + \frac{1}{25}) }^{2} - 1 \\ r = \frac{676}{625} - 1 \\ r = 0.0816 \: or \: 8.16\%$

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lions [1.4K]

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