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Anna71 [15]
3 years ago
5

Rosario is rolling a six-sided number cube. Rosario rolls the number cube twice. What is the probability that Rosario gets the n

umber one twice in a row?
Mathematics
2 answers:
Marat540 [252]3 years ago
7 0
It's a conditional probability

P( getting a given number AND getting again the same number)


P(of getting any number) =1/6
P(of getting once again the same number) 1/6 x 1/6 = 1/36
agasfer [191]3 years ago
3 0
Since these probabilities are independent of each other you would mulitiply the individual probabilities.
First Roll: P(1) = 1/6
Second Roll: P(1) = 1/6
(1/6) * (1/6) = 1/36
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A bag contains 5 blue marbles, 2 green marbles, and 3 yellow marbles. What is the probability of choosing one green marble and t
Vesna [10]

Answer:

Step-by-step explanation:

Total number of marbles = 5 + 2 + 3 = 10

Probability of choosing 1 green marble = 2/10

Probability of choosing 1 yellow marble = 3/10

Notice (and this is important) that the denominator didn't change. Why?

Because you replaced the first marble into the bag. That word replacement is critical in a problem of this nature. There is the term non replacement which means that the second draw would have a denominator of 9.

So what is the probability of P(green then yellow)?

P(green then yellow) = 3/10 * 2/10 = 6/100

Answer: P(green then yellow) = 3/50 because 6 / 100 reduces.

4 0
2 years ago
A jar contains only​ pennies, nickels,​ dimes, and quarters. There are 16 ​pennies, 18 ​dimes, and 28 quarters. The rest of the
tatyana61 [14]

Answer:

I hope this helps you

Step-by-step explanation:

84-16=68

68-18=50

50-28=22

n=22

equation:84-(16+18+28)

6 0
2 years ago
Read 2 more answers
Watch day about 75,000 people visit Paris, France. Use commutative property to write two equivalent expressions that could be us
Studentka2010 [4]

Answer:

5\times 75,000 and 75,000\times 5

Step-by-step explanation:

We have been given that about 75,000 people visit Paris, France. We are asked to write two equivalent expressions that could be used to find the number of people that visits over a 5- day period .

To find the number of people over a 5-day period, we will multiply 75,000 people by 5 as:

\text{Number of people that visits over a 5-day period}=75,000\times 5

Commutative property of multiplication states that we can multiply numbers in any order.

Upon switching the order while multiplying, we will get:

\text{Number of people that visits over a 5-day period}=5\times 75,000

Therefore, our required equivalent expressions would be 5\times 75,000 and 75,000\times 5.

5 0
3 years ago
Please help fast pls pls
lara [203]

Answer:

-4, 4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Whoever helps will be voted brainlyess answer and the questions worth 20 points :)
pantera1 [17]
The volume of a rectangular prism is:

V=xyz where x,y,z are the dimensions...

In this case:

V=5*(2 1/2)*(1 1/2)

which is equal to 

V=(12 1/2)*(1 1/2)

So the top one and the third one down are the correct volume.
7 0
3 years ago
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