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eduard
2 years ago
5

  Please help this is due today please i really need help it’s due in 4 hours!!!

Mathematics
1 answer:
Anarel [89]2 years ago
7 0

Answer:

y=36 and X=44

Step-by-step explanation:

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3.2
Varvara68 [4.7K]

Answer:

35/132.

Step-by-step explanation:

There are a total of 12 balls. So:

Prob(First is green) = 5/12.

After the first selection there are 11 balls left.

Prob(The second is red) = 7/11.

The required probability = 5/12 * 7/11

= 35/132.

Note: the probabilities are multiplied because the 2 events are independent.

3 0
3 years ago
Science; What spheres make up Earth's systems?
kirill115 [55]

Answer:

round ones

Step-by-step explanation:

5 0
2 years ago
The owner of a small deli is trying to decide whether to discontinue selling magazines. He suspects that only 7% of his customer
Mrrafil [7]

Using the binomial distribution, it is found that there is a 0.0116 = 1.16% probability that exactly 4 out of the first 14 customers buy a magazine.

<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.

In this problem:

  • 7% of his customers buy a magazine, hence p = 0.07.
  • A sample of 14 customers is taken, hence n = 14.

The probability that exactly 4 out of the first 14 customers buy a magazine is P(X = 4), hence:

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

P(X = 4) = C_{14,4}.(0.07)^{4}.(0.93)^{10} = 0.0116

0.0116 = 1.16% probability that exactly 4 out of the first 14 customers buy a magazine.

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

7 0
2 years ago
PLEASE HELP ANYONE ???????????!!! ASAP
Aloiza [94]

Answer:

b

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
ANSWER ASAP WILL GIVE BRAINLIEST
rodikova [14]

Answer:

C

Step-by-step explanation:

Because it's Ax^4+Bx^3+Cx^2=0, factor out an x^2 from all of them and you get (x^2)(Ax^2+Bx+C)=0

Stand form is Ax^2+Bx+C=0, and the answer C is the only one that does that. Hope this helps

6 0
3 years ago
Read 2 more answers
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