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3 years ago

Think about the function f(x) = 10-X.

Mathematics

1 answer:

Harrizon [31]3 years ago

8 0

Answer:

X is the input.

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laiz [17]

Answer:

B) 0.02

Step-by-step explanation:

Use the Binomial Theorem

$\displaystyle P(X=x)=\binom{n}{x}p^xq^{n-x}\\\\P(X=4)=\binom{30}{4}(0.30)^4(1-0.30)^{30-4}\\\\P(X=4)=\frac{30!}{4!(30-4)!}(0.30)^4(0.70)^{26}\\ \\P(X=4)=\frac{30!}{4!(26)!}(0.30)^4(0.70)^{26}\\ \\P(X=4)=\frac{30*29*28*27}{4*3*2*1}(0.30)^4(0.70)^{26}\\ \\P(X=4)=27405(0.30)^4(0.70)^{26}\\\\P(X=4)\approx0.0208$

We have the probability of success, $p=0.30$ , and the probability of failure, $q=1-0.30=0.70$ . The binomial coefficient, $\binom{n}{k}$ , represents the amount of possible combinations that $k$ items can be chosen out of $n$ items, with its respective formula $\frac{n!}{k!(n-k)!}$ .

Hence, the best choice for the probability that 4 students chosen at random from the class of 30 that want the next test to be on Monday will be option B, 0.02

7 0

1 year ago

Please answer this correctly

Lubov Fominskaja [6]

The awnser to this is 2 and also 3

7 0

3 years ago

At the Battle of Breed’s Hill about 1,600 Americans fought against 2,400 British Troops. If the British suffered 44% of the casu

NeX [460]

2400 divided by 44% which is 1056.

(sneaky way to put history in math, btw...)

4 0

3 years ago

Sport

Nikitich [7]

Answer:

72 degree

Step-by-step explanation:

It is given that :

Sports Hours

Soccer 5

Jogging 20

Walking 10

Skiing 5

Football 10

50 hours

The total hour is given as 50 hours. Out of which walking is 10 hours.

Therefore, in degree the portion of walking will be :

$=\frac{10}{50} \times 360^\circ$

$=72^\circ$

7 0

2 years ago

Please help with this question

Finger [1]

Answer:

340

Step-by-step explanation:

8 0

2 years ago