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3 years ago

What is the median of the following set of numbers? 15, 12, 18, 17, 13, 12, 12, 14, 15, 19 A) 15 B) 12 C)14 D)14.5

Mathematics

1 answer:

xenn [34]3 years ago

6 0

Answer:

14.5

Step-by-step explanation:

you put the numbers in order, then you look at what two numbers are in the middle(if there is one number in the middle that is your median) then you take the two numbers that are in the middle and you add them up and when you get that answer you divide by two (14+15 divided by 2= 14.5)

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Company one charges $11 + $0.16 per min.

Then if you talk for x minutes, the cost will be:

C₁(x) = $11 + ($0.16 per min)*x

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3 years ago

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815? but have a great day as well!

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Joe owns a stock which has probability .5 of going up. This morning, he bought a ticket in a lottery game which gives him a prob

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Answer:

The probability that Joe's stock will go up and he will win in the lottery is 0.00005.

Step-by-step explanation:

Let the events be denoted as:

X = the stock goes up

Y = Joe wins the lottery

Given:

P (X) = 0.50

P (Y) = 0.0001

The events of the stock going up is not dependent on the the event of Joe winning the lottery.

So the events X and Y are independent of each other.

Independent events are those events that can occur together at the same time.

The joint probability of two independent events A and B is,

$P(A\cap B)=P(A)\times P(B)$

Compute the value of P (X ∩ Y) as follows:

$P(X\cap Y)=P(X)\times P(Y)=0.50\times 0.0001=0.00005$

Thus, the probability that Joe's stock will go up and he will win in the lottery is 0.00005.

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