A box of nine iPhone 5C cellphones (the iPhone “for the colorful”) contains two yellow cellphones and seven green cellphones. (a) If two cellphones are randomly selected from the box, without replacement (the first cellphone is not returned to the box after it is selected), what is the probability that both cellphones selected will be green? (b) If two cellphones are randomly selected from the box, without replacement (the first cellphone is not returned to the box after it is selected), what is the probability that there will be one yellow cellphone and one green cellphone selected? (c) If three cellphones are selected, with replacement (the first cellphones are returned to the box after it is selected), what is the probability that all three will be yellow? (d) If you were sampling with replacement (the first cellphone is returned to the box after it is selected), what would be the answers to (a) and (b)? 3

Answers

Answer 1

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Related Questions

what is the primary role of the correctional system? its security guard test question

Answers

Answer:

Corrections refers to the branch of the criminal justice system that deals with individuals who have been convicted of a crime.

Explanation:

Corrections refers to the branch of the criminal justice system that deals with individuals who have been convicted of a crime. The role of the correctional system is to ensure that an offender's sentence is carried out, whether it's time in jail or prison, probation, or community service.

Guard exam test questions- for the security guard exam, you should prepare and practice the test questions to achieve success at the first attempt. The licensing exam for the security guards or officers which is taken by the respective authorities neither is easy nor difficult.The security guard exam questions do not require a long explanation answer likewise the academic exam. The test questions come with multiple-choice options you should choose the correct one from the available answers.

THIS IS AN ECONOMICS QUESTION
TRUE OR FALSE
The law of demand says that as the income of the consumer changes the demand will change in direct proportion to the income change.

Answers

Answer:

I believe this is true

Explanation:

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Answer:

The question is really a maybe question

Explanation:

Because it is not always all the time that they increase your tax because of your income.They are some times that they give you higher tax for their own benefit so they can higher it to any amount,

Answer 2 :

Explanation 2

There is no way that they put it to your direct income if they do they just choose to make you loose all your money to be able to provide for him or herself and their family

3 tips that would use to advise future students who are perparing for ACT

Answers

Answer:

1. Work questions out of order.

2.Tailor your strategy to each section of the ACT.

3.Build the right ACT prep plan for you

Bản chất và vai trò tích luỹ tư bản trong nền kinh tế thị trường
( không sao chép)

Answers

Answer:

What Is Capital Accumulation?

Capital accumulation refers to an increase in assets from investments or profits and is one of the building blocks of a capitalist economy. The goal is to increase the value of an initial investment as a return on investment, whether that be through appreciation, rent, capital gains, or interest.

Qúa trình giáo dục là một quá trình có tính chất gì ?

Answers

Answer:

please write in english

Dialogue between Michael and an educator about his lifestyle and his Choice of studying at an FET College and eating habits

Answers

Michael : Hello sir, I am interested in diploma for nursing and ward boy at FET college. What is the fee structure and duration?

Educator : Hello, I am glad to help you. The fee structure for the diploma is $1,250 per annum and it is a 2 year diploma which consists of 4 semesters.

Michael : I am currently able to save only $800 to $900 per annum. This fee would not be possible for me. Is there any discount available in the package you mentioned.

Educator : I can only give you maximum discount of 10% if you pay complete fee in advance.

Michael : I will have to change my lifestyle in order to save more money for my studies or else I will have to look for some part time work and earn extra money for this course.

Educator : This is one time investment in your career. Once you complete your diploma, you can then earn handsome salary.

Learn more at https://brainly.com/question/24312569

How did John Watson contribute to Psychology??

Answers

John Watson believed that psychology should primarily be scientific observable behavior. He is remembered for his research on the conditioning process. Watson is also known for the Little Albert experiment, in which he demonstrated that a child could be conditioned to fear a previously neutral stimulus.

Answer:

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Which expression is equivalent to x2 - 12x + 11?
O (x+11)(x + 1)
O (x - 11)(x+1)
O (x + 11)(x - 1)
o (x - 11)(x - 1)

Answers

Answer: o (x - 11)(x - 1)

Explanation:

You can find two values that has a sum of -12 and a product of 11:

[tex]x^{2} -12x+11\\(x-11)(x-1)[/tex]

Or you can use the quadratic formula:

[tex]\frac{-b+-\sqrt{b^{2} -4ac} }{2a}[/tex]

Where:

a = 1b = -12c = 11

A waitress sold 20 ribeye steak dinners and 12 grilled salmon dinners, totaling $559.11 on a particular day. Another day she sold 29 ribeye steak dinners and 6 grilled salmon dinners, totaling $583.72 How much did each type of dinner cost?

Answers

Answer:

Ribeye steak dinner ≈ $16.01Grilled salmon dinner ≈ $19.91

Explanation:

Number of ribeye steak dinners sold = xNumber of grilled salmon dinners sold = y

Create two equations showing the amount sold and earned each day:

[tex]\left \{ {{20x+12y=559.11} \atop {29x+6y=583.72}} \right.[/tex]

Solve the system of equations:

[tex]\left \{ {{20x+12y=559.11} \atop {29x+6y=583.72}} \right.\\\\=\left \{ {{20x+12y=559.11} \atop {29(2)x+6(2)y=583.72(2)}} \right.\\\\=\left \{ {{20x+12y=559.11} \atop {58x+12y=1167.44}} \right.\\\\(20-58)x+(12-12)y=559.11-1167.44\\\\-38x=-608.33\\\\x=\frac{-608.33}{-38} =16.01\\\\20x+12y=559.11\\20(16.01)+12y=559.11\\12y=559.11-20(16.01)\\12y=238.91\\y=19.91[/tex]

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