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VashaNatasha [74]
2 years ago
14

A bag contains: • 5 red marbles •6 blue marbles •3 green marbles •4 black marbles • 2 yellow marbles. A marble will be drawn fro

m the bag and replaced 100 times. What is a reasonable prediction for the number of times a green or black marble will be drawn?
Mathematics
1 answer:
podryga [215]2 years ago
3 0
Hi hi hi hi hi hi hi hi hi hi
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My statistics book says there are 8 degrees of freedom for this data set. I don't understand how they got that number. # of Book
Sedaia [141]

Answer:

It's a bit unclear with the table this way, but I count fifteen points, fifteen lines of the table, each a pair of numbers.

That's 15 degrees of freedom in the data.   When modeling, each parameter in the model uses up one degree of freedom, so you'd use a smaller number of degrees of freedom when calculating t statistics, etc.

6 0
3 years ago
Isabella's recipe for strawberry smoothies requires 2/3 cup of sliced strawberries per smoothie. How many smoothies can she make
Studentka2010 [4]

Answer:

9 smoothie's

Step-by-step explanation:

Given Isabelle's recipe recquire 2/3 cup of strawberry for making one smoothie.

Given 6 cups of strawberry is available .

Let the number of smoothie's made by her is x

\frac{2}{3} cup ---->1 smoothie

6 cups ----> x smoothie's

on cross multiplication we get

\frac{2x}{3} =\frac{6}{1}

x = 9.

Therefore the total number of smoothies made are 9

5 0
3 years ago
What is the percent of change from<br> 82 to 67?
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-18.29

Step-by-step explanation:

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Show me two ways you can find 4x754 using two different methods
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