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tatiyna
3 years ago
14

Cara's unpaid credit card balance is $5392.39. Her APR is 13.2%, and she made one new transaction for $204. What is her new bala

nce?
Mathematics
1 answer:
laila [671]3 years ago
5 0

$5655.71 is the answer.


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Let X1, X2 and X3 be three independent random variables that are uniformly distributed between 50 and 100.
sergejj [24]

Answer:

a) the probability that the minimum of the three is between 75 and 90 is 0.00072

b) the probability that the second smallest of the three is between 75 and 90 is 0.396

Step-by-step explanation:

Given that;

fx(x) = { 1/5 ; 50 < x < 100

              0, otherwise}

Fx(x) = { x-50 / 50 ; 50 < x < 100

                          1 ;   x > 100

a)

n = 3

F(1) (x) = nf(x) ( 1-F(x)^n-1

= 3 × 1/50 ( 1 - ((x-50)/50)²

= 3/50 (( 100 - x)/50)²

=3/50³ ( 100 - x)²

Therefore P ( 75 < (x) < 90) =  ⁹⁰∫₇₅ 3/50³ ( 100 - x)² dx

= 3/50³ [ -2 (100 - x ]₇₅⁹⁰

= (3 ( -20 + 50)) / 50₃

= 9 / 12500 = 0.00072

b)

f(k) (x) = nf(x)  ( ⁿ⁻¹_k₋ ₁) ( F(x) )^k-1 ; ( 1 - F(x) )^n-k

Now for n = 3, k = 2

f(2) (x) = 3f(x) × 2 × (x-50 / 50) ( 1 - (x-50 / 50))

= 6 × 1/50 × ( x-50 / 50) ( 100-x / 50)

= 6/50³ ( 150x - x² - 5000 )

therefore

P( 75 < x2 < 90 ) = 6/50³ ⁹⁰∫₇₅ ( 150x - x² - 5000 ) dx

= 99 / 250 = 0.396

3 0
2 years ago
I GIVES BRAINLIEST IF U SOLVE IT
kkurt [141]

Answer:

False

Step-by-step explanation:

The following statement is false so in conclusion it will not be enough for both bird houses

Cleopatra= 12 1/2

Jesse=6-10

20ft will not be enough for both jesse and cleopatra !

Hope this helps

                                                                                            -<em>Tobie The dog <3</em>

5 0
2 years ago
Complete the sentence.<br> ------- is 4 times as much as 9.
Harlamova29_29 [7]

Answer:

36

Step-by-step explanation:

4 x 9 = 36

36 / 4 = 9

Therefore, 36 is 4 times as much as 9.

5 0
2 years ago
Read 2 more answers
Which fraction represents the decimal 0.8888...?
LiRa [457]

Answer:

1,111/1,250

Step-by-step explanation:

4 0
2 years ago
If having a warranty on a car is important a person should buy a car that is _______
Ket [755]

Answer:

the answer is new

Step-by-step explanation:

I just took the test

7 0
2 years ago
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