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sweet-ann [11.9K]
3 years ago
12

A box filled with many different color crayons there are 40 white crayons 24 green crayons 12 red crayons 24 golden crayons and

20 blue crayons if you have to select a crayon without looking into the box what is the probability that you will pick a white or blue crayon do you guys now the answer
Mathematics
1 answer:
pogonyaev3 years ago
6 0

Answer: The answer is 50%

Step-by-step explanation: You have to add up all of the values to get the total number of crayons. Then after, you have to divide the amount of blue and white crayons by the total amount of crayons.

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The area of the rectangle is 24 inches. How much longer is its length than its width?
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I Belive That There Can't Be 3 Numbers In A Rectangle Because At The Top You Get 24 And 6 And I Think It Is BxH One Half Times Base Times Height So 2xBxH . 
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Consider the probability distribution shown below.
rusak2 [61]

Answer:

it is b

Step-by-step explanation:

3 0
2 years ago
A x 4 = E
lana [24]
A * 4 = E........A = E / 4
B / 4 = E........B = 4E
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A + B + C + D = 100
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7 0
3 years ago
An urn contains a very large number of marbles of four different colors: red, orange, yellow, and green. A sample of 12 marbles d
Umnica [9.8K]

Answer:

We  can reject the hypothesis at the 0.05 significance level.

 

Step-by-step explanation:

given that an urn contains  a very large number of marbles of four different colors: red, orange, yellow, and green. A sample of 12 marbles drawn at random from the urn revealed 2 red, 5 orange, 4 yellow, and 1 green marble.

H0: All colours are equally likely

Ha: atleast two colours are not equally likely

(Two tailed chi square test at 5% significance level)

color                  Red           Orange      Yellow      Green         total

Observed  O         2                     5                  4           1              12    

Expected   E         3                     3                   3          3              12

(O-E)^2/E             0.3333            5.3333        0.3333  5.3333     11.3333

chi square = 11.3333

df =3

p value = 0.010055

Since p < 0.05 we reject H0

We  can reject the hypothesis at the 0.05 significance level.

 

3 0
3 years ago
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