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dimulka [17.4K]
3 years ago
8

Suppose that a sample of size n = 2 is drawn from the population of the preceding problem and that the proportion of the sample

values that are greater than 3 is recorded. Find the sampling distribution of this statistic by listing all possible such samples. Find the mean and variance of the sampling distribution.
Mathematics
1 answer:
Crazy boy [7]3 years ago
7 0

Answer:

I THINK ITS 10

Step-by-step explanation:

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Simplify the expression-3(b-7)
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-3(b - 7)

Multiply -3 into the parenthesis.

= -3b + 21.
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NEED HELP RN!!! PLS ☹️
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Step-by-step explanation:

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Rita is starting a running program. The table shows the total number of miles she runs in different weeks. What is the equation
prisoha [69]

Answer:

The best fit line is y = 1.671x + 4.699

Step-by-step explanation:

We are given,

The table representing the number of miles run in different weeks is,

Week                        Miles Run

1                                        5

2                                       8

4                                       13

6                                       15

8                                       19

10                                     20

Using the linear regression calculator, we see that,

<h3>The equation of the line best fit for the data is y = 1.671x + 4.699.</h3>

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3 years ago
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The old city park is rectangular. It has a length of 350 meters. It has a width of 125 meters. What is the perimeter, in meters,
Natali5045456 [20]

(350x2=700) + (125x2=250) 700+250=950 so the perimeter is 950 meters long I hope this helps!

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3 years ago
Hayden is organizing his assets and liabilities in the table below. If his net worth is $17,550, then how much does he have in h
77julia77 [94]

Answer: His checking account balance is $2,800.

Step-by-step explanation: What Hayden is doing is comparing his assets against his liabilities. This will determine his net worth. His assets ideally are those that increase his net worth such as landed properties, etc while his liabilities in the simplest language are those debts he is paying off either right away, or that he must pay off eventually.

In other words, to determine his net worth, Hayden has to add up all his assets and from the total derived, deduct his liabilities.

Consider the calculations below;

NET WORTH: $17,550

Add ASSETS  

                         Automobile               13600  

                         Retirement Account   6700

                         Checking Account      XX

Less LIABILITIES

                          Student Loan            4800

                          Credit card debt          750

Net Worth                                            <u>17550</u>

The above table can be simplified as follows;

Net worth = Assets - Liabilities

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Collecting like terms, you now have;

17550 -20300 +5550 = XX

2800 = XX

The Checking Account represented by XX is now calculated as $2,800

7 0
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