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RideAnS [48]
4 years ago
5

You roll a six-sided die twice. What is the probability of rolling an even number and then an odd number?

Mathematics
1 answer:
nlexa [21]4 years ago
6 0

Answer:

C) 1/4

Step-by-step explanation:

Because you have six-sided dice there are 3 odd numbers and 3 even numbers. That means you have a 1/2 for getting either a odd or even number. So we would add 1/2 + 1/2 because you are rolling two times and both have a 1/2 of getting either a odd or even number. 1/2+1/2 = 1./4 which would be your answer.

Hope this helped! Have a good day/night and good luck! Stay safe!!

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Chet is applying to both NYPD and CSI. The probability that he gets into NYPD is 0.6. The probability that he gets into CSI is 0
OLga [1]
This is best done using a Venn Diagram.

Given:
Probability that he gets into NYPD is 0.60
Probability that he gets into CSI is 0.70
Probability that he gets into both is 0.40

Probability that he gets into ONLY NYPD? 0.60 - 0.40 = 0.20

Probability that he gets into ONLY CSI? 0.70 - 0.40 = 0.30


3 0
3 years ago
Add three data values to the following data set so the mean increases by 10 and the median does not change. {42, 37, 32, 29, 20}
aksik [14]
Sum of the numbers in the set: 42+37+32+29+20 =160

Current mean: 160/5 = 32

Median = the valvue of the middle = 32.

New mean: 32+10= 42.

Sum of numbers in the new set = 42*8 = 336

Difference: 336 - 160 = 176

I want to include 32, so that the new median stays in 32.

So the other two numbers must add 176 - 32 = 144

I will use a smaller number than 32 and the other greater (again in order to  keep the same median.

I will choose 28 and 144 - 28 = 116.

So my three new numbers are 28, 32 and 116 and the new set is {116, 42, 37, 32, 32, 29,28, 20}

Checking:

Sum of the terms: 116+42+37+32+32+29+28+20 = 336

Mean = 336 / 8 = 42, which is 10 more than the original mean.

And the new median is (32+32)/2 = 32. The same of the original set.
8 0
3 years ago
The ages of two brothers are in the ratio two to three, but in eight years, the ratio of Their ages will be three to four. what
Gnoma [55]
O - older one
y - younger one

\dfrac{y}{o}=\dfrac{2}{3}\\
\dfrac{y+8}{o+8}=\dfrac{3}{4}\\\\
2o=3y\\
3o+24=4y+32\\\\
2o-3y=0\\
3o-4y=8\\\\
-8o+12y=0\\
\underline{9o-12y=24}\\
o=24



It's 24.
8 0
3 years ago
Which of the following is a significant reason as to why investigators would be unable to randomize which participants receive t
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Step-by-step explanation:

7 0
3 years ago
Brody bought 22 chicken wings for $37.40 If Brody spent $30.60, how many chicken wings did he buy?
amid [387]
He would have bought 18
8 0
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