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ra1l [238]
3 years ago
8

Someone helppppp mee please !

Mathematics
1 answer:
Alchen [17]3 years ago
4 0
<span>Area = (1/2)(533 ft)(525 ft) sin(53) = 111739 square feet</span>
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A package contains 12 resistors, 3 of which are defective. If 4 are selected, find the probability of getting
s344n2d4d5 [400]

Answer:

Incomplete question, but I gave a primer on the hypergeometric distribution, which is used to solve this question, so just the formula has to be applied to find the desired probabilities.

Step-by-step explanation:

The resistors 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:

12 resistors, which means that N = 12

3 defective, which means that k = 3

4 are selected, which means that n = 4

To find an specific probability, that is, of x defectives:

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

P(X = x) = h(x,12,4,3) = \frac{C_{3,x}*C_{9,4-x}}{C_{12,4}}

7 0
3 years ago
Simplify log(16x²) ± 2㏒(1÷×)
sp2606 [1]

Answer: just simplify condense it then your answer will be log(16)

8 0
2 years ago
PLEASE HELP! image below
Viktor [21]

Answer:  Angle BAD

We don't see the list; it's also called angle DAB.

4 0
2 years ago
Read 2 more answers
What is the simplified form of 400x100 ?<br> O 200x10<br> O 200x50<br> O 20x10<br> O 20x50
SVEN [57.7K]

Answer:

√400 x √100 = 40,000  

√40,000 = 200  

So your answer is 200 x 10.

Hope this Helps!!

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Twenty-seven minus 3/2 of a number (x) is not more than 36. What is the number?
saw5 [17]

Answer:

<h2>-6</h2>

Step-by-step explanation:

27 - 1.5x \leq  36\\ 54 - 3x \leq  72\\54 - 72 \leq 3x\\-18 \leq  3x\\-6 \leq  x\\x\geq -6

Hope this helps

7 0
3 years ago
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