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aliya0001 [1]
3 years ago
9

Help Mathematics. (:(:(:(:

Mathematics
1 answer:
kumpel [21]3 years ago
8 0
Lawrence's is the correct answer. he put 3 plates on each box in both situations
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A cell phone provider classifies its customers as Low users (less than 400 minutesper month) or High users (400 or more minutes
Svet_ta [14]

Answer:

a ) See step by step explanation

b) 50%   and  50%

Step-by-step explanation:

The definition of type of user x is:

if x < 400 minutes  per month  low user

if x > 400 minutes per month  high user

The value for these states are of course yes  or no  ( the user is low or high user)

Then:

if the user is low today  xt  (0)    we have the probability of 80% ( 0,8) of have the user in the same condition and 20% (0,2) of having him or her as high user

xt = 1      

If the user is high today xt (1) is high today we have the probability of 70% ( 0,7) of having  the user in the same condition and 30% (0,3) of having him or her as high user

a) Then we construct the stochastic matrix

 Type of user

         (xt)               xt         xt+1  

      Low (0) or L   0,8        0,2

     High(1)  or H   0,3        0,7

The resulting equation system is:

xt  =  0,8* xt  +  0,2* xt+1

xt+1  = 0,3*xt + 0,7* xt+1

1  =  xt + xt+1

Solving for variables         xt+1  =  1  - xt

xt  = 0,8*xt + ( 1 - xt ) * 0,2

xt - 0,8*xt = 0,2 - 0,2xt

xt - 0,6*xt = 0,2

0,4*xt = 0,2

xt = 0,5       and     xt+1  = 0,5

b)  If in January 0,5  ( 50%) of customesr were  low user

In february  teh % of low user customer wll be

xt  =  0,8* xt  +  0,2* xt+1

0,5 = 0,8*0,5 + 0,2*xt+1

0,5 = 0,4 + 0,2 *xt+1

0,1/0,2 = xt+1        xt+1 = 0,5       or   50%

The same answer for March

7 0
3 years ago
7) Is -2 a zero (or root) of f(x) = 7x3 + x2 - 9x + 5?
Masja [62]

Answer:

Step-by-step explanation:

i do not know

6 0
3 years ago
Write the prime factorization of 500 in index form.
makvit [3.9K]

Answer:

2^{2} × 5^{3}

Step-by-step explanation:

500

= 2 x 250

= 2 x 10 x 25

= 2 x 2 x 5 x 5 x 5

= 2^{2} × 5^{3}

8 0
3 years ago
Read 2 more answers
A park ranger fears that a harmful fungus might be infecting bluegill panfish in the parks lake. A fisherman offers to help the
Tatiana [17]

Answer:

Hey l need more info to aswer email me and we can get this done ;)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What percent is in color?
Darya [45]

Answer:

62%

Step-by-step explanation:

6 strips equals 60% because 6×10=60

2 squares equals 2% because 1×2=2

60+2=62

6 0
3 years ago
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