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3 years ago

If a translation of (x,y) → (X + 6, 7-10) is applied to figure

Mathematics

1 answer:

horrorfan [7]3 years ago

4 0

The correct answers would be a b and 2 because I don’t know this is a test to be honestly

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For each of the following binomial random variables, specify n and p. (a) A fair die is rolled 50 times. X = number of times a 5

Keith_Richards [23]

Answer:

a) $n = 50, p = \frac{1}{6}$

b) $n = 16, p = \frac{1}{100}$

c) $n = 26, p = 0.25, \mu = 6.5$

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

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

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

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

And $p$ is the probability of X happening.

(a) A fair die is rolled 50 times. X = number of times a 5 is rolled

The die is rolled 50 times, so $n = 50$ .

Each roll can have 6 outcomes. So the probability that 5 is rolled is $p = \frac{1}{6}$

(b) A company puts a game card in each box of cereal and 1/100 of them are winners. You buy sixteen boxes of cereal, and X = number of times you win.

You buy 16 boxes of cereal, so $n = 16$ .

1 of 100 are winners. So $p = \frac{1}{100}$ .

(c) Jack likes to play computer solitaire and wins about 25% of the time. X = number of games he wins out of his next 26 games.

He plays 26 games, so $n = 26$ .

He wins 25% of the time, so $p = 0.25$

We have that $\mu = np$ . So $\mu = 26*0.25 = 6.5$

6 0

3 years ago

The equation of a circle is (x+10)^2+(y-4)^2=100

klemol [59]

Hello,

Answer 1
Center=(-10,4)
radius=10

4 0

4 years ago

Read 2 more answers

Solve for a. a + (-1.3) = -4.5 Enter your answer in the box.

Vlada [557]

Answer:

a=(-3.2)

Step-by-step explanation:

a+(-1.3)=(-4.5)=a-1.3=(-4.5)

a=(-3.2)

Please mark as Brainliest! :)

Have a nice day.

3 0

3 years ago

Read 2 more answers

If f(x) = 2x-12, evaluate -2f(3) PLEASE HELP!!!!!!

mel-nik [20]

I think that’s it f(x)=2x−12

6 0

2 years ago

Read 2 more answers

The donut shop is 3 times as likely to sell a glazed donut as an apple donut . If the shop sells 231 glazed donuts, how many don

Vedmedyk [2.9K]

Answer

the number of donuts sold is: 693

Step-by-step explanation:

i get this answer by taking:

231 x 3 = and that equal 693. this is the number of donuts sold.

5 0

3 years ago