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skelet666 [1.2K]
3 years ago
7

Hi, im mexican xd‎ ‏‏‎‎ ‏‏‎‎ ‏‏‎‎ ‏‏‎‎ ‏‏‎‎ ‏‏‎‎ ‏‏‎‎ ‏‏‎‎ ‏‏‎‎ ‏‏‎‎ ‏‏‎‎ ‏‏‎‎ ‏‏‎

Mathematics
2 answers:
slega [8]3 years ago
7 0

Answer:

L

Step-by-step explanation:

O

L

krek1111 [17]3 years ago
4 0

Answer:

Step-by-step explanation:

1.B

2.R

3.U

4.H

------------------------------------------

5. Yeeet out da window

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Compute the following binomial probabilities directly from the formula for b(x; n, p). (Round your answers to three decimal plac
yuradex [85]
<h2>Answer with explanation:</h2>

We know that the binomial theorem for finding the probability of x success out of a total of n experiments is given  by:

b(x;n;p)=n_C_x\cdot p^x\cdot (1-p)^{n-x}

(a)

b(5; 8, 0.25)

is given by:

8_C_5\cdot (0.25)^5\cdot (1-0.25)^{8-5}\\\\=8_C_5\cdot (0.25)^5\cdot (0.75)^3\\\\=56\cdot (0.25)^5\cdot (0.75)^3\\\\=0.023

                    Hence, the answer is:  0.023

(b)

b(6; 8, 0.65)

i.e. it is calculated by:

=8_C_6\cdot (0.65)^6\cdot (1-0.65)^{8-6}\\\\=8_C_6\cdot (0.65)^6\cdot (0.35)^2\\\\=0.259

              Hence, the answer is: 0.259

(c)

P(3 ≤ X ≤ 5) when n = 7 and p = 0.55

P(3\leq x\leq 5)=P(X=3)+P(X=4)+P(X=5)

Now,

P(X=3)=7_C_3\cdot (0.55)^3\cdot (1-0.55)^{7-3}\\\\P(X=3)=7_C_3\cdot (0.55)^3\cdot (0.45)^{4}\\\\P(X=3)=0.239

P(X=4)=7_C_4\cdot (0.55)^4\cdot (1-0.55)^{7-4}\\\\P(X=4)=7_C_4\cdot (0.55)^4\cdot (0.45)^{3}\\\\P(X=4)=0.292

P(X=5)=7_C_5\cdot (0.55)^5\cdot (1-0.55)^{7-5}\\\\P(X=3)=7_C_5\cdot (0.55)^5\cdot (0.45)^{2}\\\\P(X=3)=0.214

                                    Hence,

                  P(3\leq x\leq 5)=0.745

(d)

P(1 ≤ X) when n = 9 and p = 0.1 .613

P(1\leq X)=1-P(X=0)

Also,

P(X=0)=9_C_0\cdot (0.1)^{0}\cdot (1-0.1)^{9-0}\\\\i.e.\\\\P(X=0)=1\cdot 1\cdot (0.9)^9\\\\P(X=0)=0.387

i.e.

P(1\leq X)=1-0.387

                     Hence, we get:

                  P(1\leq X)=0.613

6 0
3 years ago
Apply the distributive property to factor out the greatest common factor.8x−20=
RideAnS [48]
4(2x-5)
the answer to the question
3 0
3 years ago
If a rectangular piece of paper was cut into a square, what would happen to the
Mashcka [7]
B: it would become smaller
3 0
3 years ago
Read 2 more answers
Order the ratios from least to greatest 6:3 13 to 4 19/2 15 to 10 8:2
Alik [6]
6:3 = 6/3 = 2

13 to 4 = 13:4 = 13/4 = 3.25

19/2 = 9.5

15 to 10 = 15:10 = 15/10 = 1.5

8:2 = 8/2 = 4

From the least to the greatest:

15 to 10 ,  6:3,  13 to 4,  19/2

I hope this explains it.
8 0
3 years ago
Simplify the expression: 2[(8−4)5÷8]
nignag [31]

Answer:

5.

Step-by-step explanation:

2[(8−4)5/8]

= 2[4*5 / 8]

= 2 * 2.5

= 5.

8 0
3 years ago
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