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viva [34]
3 years ago
5

Select all of the possible values of r for an infinite series that converges.

Mathematics
2 answers:
olga2289 [7]3 years ago
8 0

Answer:

its b and d

Step-by-step explanation:

next answer is c

Naddik [55]3 years ago
7 0
An infinite series converges when abs(r) < 1.

Therefore, an infinite series converges for r = -2/3 and 3/4
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Simplify. HELP<br><br> 5√75x^13*y^17
nasty-shy [4]

25x^(6)y^(8)\sqrt(3xy)

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3 years ago
A questionnaire asks shareholders of a company to state whether they consider the
Oduvanchick [21]

Using the binomial distribution, it is found that the probabilities are given as follows:

a) 0.5514 = 55.14%.

b) 0.3631 = 36.31%.

c) 0.4082 = 40.82%.

<h3>What is the binomial distribution formula?</h3>

The formula is:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • n is the number of trials.
  • p is the probability of a success on a single trial.

Item a:

In this problem, we have p = 0.82, n = 3, and the probability is P(X = 3), hence:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 3) = C_{3,3}.(0.82)^{3}.(0.18)^{0} = 0.5514

Item b:

In this problem, we have p = 0.82, n = 3, and the probability is P(X = 2), hence:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 2) = C_{3,2}.(0.82)^{2}.(0.18)^{1} = 0.3631

Item c:

We have to find P(X = 2) for the three probabilities, p = 0.82, p = 0.12, p = 0.05 and add them, hence:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 2) = C_{3,2}.(0.82)^{2}.(0.18)^{1} = 0.3631

P(X = 2) = C_{3,2}.(0.12)^{2}.(0.88)^{1} = 0.0380

P(X = 2) = C_{3,2}.(0.05)^{2}.(0.95)^{1} = 0.0071

Then:

p = 0.3631 + 0.0380 + 0.0071 = 0.4082.

More can be learned about the binomial distribution at brainly.com/question/24863377

#SPJ1

7 0
2 years ago
Select the correct answer. 50 points better hurry and brainlyest for the one that answers first
Flauer [41]

Answer:A point U

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Determine the solution set of (x - 4)2 = 12.
galben [10]
(x-4)2=12
First, you want to divide both sides by 2 to eliminate the 2 outside of the parenthesis. That leaves you with:
(x-4)=6
Then add four to both sides to eliminate the four inside the parenthesis:
x=10

To check work, substitute ten in for x in the original equation:
(10-4)2=12
(6)2=12
12=12, so this is correct :)
3 0
3 years ago
Calculate 7 1/4 tax on $1,540. a. $11.17 b. $109.34 c. $111.65 d. $113.96
alex41 [277]
C. $111.65 would be the answer

8 0
3 years ago
Read 2 more answers
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