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Sladkaya [172]
3 years ago
15

Please help

Mathematics
2 answers:
algol133 years ago
8 0
Equation: 17 + x = 23
To solve this you would do 23 - 17 to get x
x = 6
gregori [183]3 years ago
7 0

Answer:

x+17=23,x=6

Step-by-step explanation:

Hello

Step 1

To know the equation you must understand each sentence and take it to mathematical terms, let's see

After adding 17 to a number, x, you get 23.

Let

x, the number we don´t know

"After adding 17 to a number", x, means that, you take your number (x) and then add (+) 17

X+17

"you get", means that it is equal to (=)

Hence

x+17=23, and this is the equation

Step 2

find the value of x

x+17=23

subtract 17 from each side

x+17-17=23-17

x+0=6

x=6

Have  a good day.

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0.3968 = 39.68% probability this shipment passes inspection.

Step-by-step explanation:

The parts are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by the following formula:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

In which:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

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

In this question:

50 parts means that N = 50

4 defective means that k = 4

10 are chosen, which means that n = 10

What is the probability this shipment passes inspection?

Probability that none is defective, so:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

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0.3968 = 39.68% probability this shipment passes inspection.

6 0
3 years ago
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