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Sever21 [200]
3 years ago
10

In a bag containing marbles, there are 5 red, 8 white, 3 blue, and 9 green. If Tom picks a marble without looking, what is the p

robability that it will be a green one?
Mathematics
1 answer:
Wewaii [24]3 years ago
6 0

Answer:

9/25

Step-by-step explanation:

Add the amounts of all the marbles together which is 25.


Hope this helps! Please mark brainliest! Have a great day!




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A rare book was purchased for $200 and then it was sold for $400. What percent increase was that
hram777 [196]

Answer:

100% increase

Step-by-step explanation:

8 0
2 years ago
Officer Brimberry wrote 32 tickets for traffic violations last week, but only 12 tickets this week. What is the percent decrease
kolbaska11 [484]

Answer:

62.5 %

Step-by-step explanation:

you have to subtract 32-12, which equals 20

then divide 20 by the original amount (20/32)

20/32= .625, then you have to multiply to get the final answer...hope this helped!

4 0
2 years ago
Computer software generated 500 random numbers that should look like they are from the uniform distribution on the interval 0 to
Tanya [424]

Answer:

0.2 ; 100 ; 4.84

Step-by-step explanation:

Given that the probability of each of the 5 groups is the same :

Sum of probability = 1

Hence, Probability of each group = 1 / number of groups = 1 / 5 = 0.2

Expected number for each interval for a sample of 500 : ; X = 500

E(X) = X * P(x) = 500 * 0.2 = 100

Goodness of fit (X²) :

X² = Σ(X - E)² ÷ E

Groups :

113, 95, 108, 99, and 85

X : 113 ____ 95 ____ 108 ____ 99 _____ 85

(113 - 100)^2 / 100 = 1.69

(95 - 100)^2 / 100 = 0.25

(108 - 100)^2 / 100 = 0.64

(99 - 100)^2 / 100 = 0.01

(85 - 100)^2 / 100 = 2.25

(1.69 + 0.25 + 0.64 + 0.01 + 2.25) = 4.84

7 0
2 years ago
The Petrified Forest National Park in Arizona recently expanded their boundaries by 93,533 acres. The original acreage was 125,0
leonid [27]

Answer: The new acreage of the park is 218,533.

Step-by-step explanation:

Since we have given that

Original acreage = 125,000

Expanded boundary by = 93,533 acres

We need to find the new acreage of the park.

so,we will use

New\ acreage=Original\ acreage+Expanded\\\\New\ acreage=125000+93533\\\\New\ acreage=218,533

Hence, The new acreage of the park is 218,533.

4 0
3 years ago
Pls help me.........
Natali [406]
Wouldn’t it just be (0,0) ?
5 0
3 years ago
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