3 years ago

Please answer correctly !!!!! Will mark brainliest !!!!!!!!!!!!

Mathematics

1 answer:

Zarrin [17]3 years ago

5 0

Answer:

Up by 3 units, right by 9 units.

Step-by-step explanation:

The subtraction in (x-9)^2 makes the function shift to the right, adding would make it shift left! Adding numbers to the equation would make the function go up, and subtracting would make it go down. Hope this helps :)

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At a certain airport, 65% of the flights arrive on time. A sample of 10 flights is studied. Find the probability that all 10 of

babunello [35]

Answer:

So, the probability is P=0.0135.

Step-by-step explanation:

We know that at a certain airport, 65% of the flights arrive on time.

We get that p=0.65 and q=1-0.65=0.35.

We have 10 flights, so n=10.

We calculate the probability that all 10 of the flights were on time, so k=10.

We use the formulu:

$\boxed{P(X=k)=C^n_k \cdot p^k\cdot q^{n-k}}$

we get:

$P(X=10)=C^{10}_{10}\cdot 0.65^{10}\cdot 0.35^0\\\\P(X=10)=1\cdot 0.0135\cdot 1\\\\P(X=10)=0.0135\\$

So, the probability is P=0.0135.

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4 years ago

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