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elena-14-01-66 [18.8K]
3 years ago
14

A chef boiled 4 eggs and put them in a basket with 8 eggs that were not boiled. All of the eggs look the same. Randy selects an

egg, keeps it, and then selects another egg. Which expression gives the probability that he selects 2 boiled eggs?
A. 4/12*3/11
B. 4/12*4/12
C.4/12*3/12
D.4/12*4/11
Mathematics
2 answers:
tamaranim1 [39]3 years ago
7 0

Answer:

i took the test and its A

Step-by-step explanation:

All together there are 12 eggs total with 4 that are non boiled and 8 that are boiled. If he takes out 2 eggs, it then goes from 12 total eggs to 11 then take 1 away from 4 to have 3 so its A. 4/12 * 3/11

oee [108]3 years ago
5 0
Expression A gives the correct probability.

On the first draw, there is a 4/12 chance of choosing a boiled egg because there are 4 boiled eggs and a total of 12 eggs to choose from.

On the second draw, there is a 3/11 chance of choosing a boiled egg because there are 3 boiled eggs and a total of 11 eggs to choose from.
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3 years ago
What is six minus negative two x?
GalinKa [24]

Answer:

Therefore the Expression will be.

6-(-2x)

6+2x ...As minus - minus sign becomes plus.

Step-by-step explanation:

What is six minus negative two x?

Solution:

It is the Algebraic Expression in Statement form.

Algebraic Expression is given in the form numbers and variables with the operands such as

  • ' + ' Plus Sign
  • ' - ' Minus Sign
  • ' × ' Multiplication Sign
  • ' ÷ ' Division Sign, etc.

Hence Our Statement is " six minus negative two x "

i.e. Number 6 minus sign then again a minus sign of 2x.

Therefore the Expression will be.

6-(-2x)

Also equals

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5 0
3 years ago
Please help, it is due tonight!
PolarNik [594]
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4 0
2 years ago
Read 2 more answers
The mean annual tuition and fees for a sample of 12 private colleges was 36,800 with a standard deviation of 5,000 . A dotplot s
Ilya [14]

Answer:

The value of the test statistic and degrees of freedom is 2.148 and 11 respectively.

Step-by-step explanation:

Consider the provided information.

The mean annual tuition and fees for a sample of 12 private colleges was 36,800 with a standard deviation of 5,000 .

Thus, n = 12, \bar x=36800 σ = 5000

degrees of freedom = n-1 = 12-1 = 11

H_0: \mu = 33700\ and\ H_a: \mu \neq 33700

Formula to find the value of z is: z=\frac{\bar x-\mu}{\frac{\sigma}{\sqrt{n}}}

Where \bar x is mean of sample, μ is the mean of population, σ is the standard deviation of population and n is number of observations.

z=\frac{36800-33700}{\frac{5000}{\sqrt{12}}}

z=2.148

Hence, the value of the test statistic and degrees of freedom is 2.148 and 11 respectively.

6 0
3 years ago
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Luba_88 [7]

Answer:

|28 - x| = 0  \\ 28 - x = 0 \\  - x =  - 28 \\ x = 28

3 0
3 years ago
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