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Lelu [443]
2 years ago
10

Molly is having her birthday party at Pizza Party Palace. The costs involved are listed below. Pizza Party Palace requires a 20%

deposit prior to the date of the event. If the deposit has been paid, how much is still owed for Molly's party?
Party Prices
• Food & Drink $300
• Game Tokens $125
• Other $85
Mathematics
1 answer:
Wittaler [7]2 years ago
5 0

Answer:

408$

Step-by-step explanation:

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Which of the following is not a property of a chi-square distribution?
laiz [17]

Answer:

c) Is not a property (hence (d) is not either)

Step-by-step explanation:

Remember that the chi square distribution with k degrees of freedom has this formula

\chi_k^2 = \matchal{N}_1^2 +  \matchal{N}_2^2 + ... + \, \matchal{N}_{k-1}^2 +  \matchal{N}_k^2

Where N₁ , N₂m .... N_k are independent random variables with standard normal distribution. Since it is a sum of squares, then the chi square distribution cant take negative values, thus (c) is not true as property. Therefore, (d) cant be true either.

Since the chi square is a sum of squares of a symmetrical random variable, it is skewed to the right (values with big absolute value, either positive or negative, will represent a big weight for the graph that is not compensated with values near 0). This shows that (a) is true

The more degrees of freedom the chi square has, the less skewed to the right it is, up to the point of being almost symmetrical for high values of k. In fact, the Central Limit Theorem states that a chi sqare with n degrees of freedom, with n big, will have a distribution approximate to a Normal distribution, therefore, it is not very skewed for high values of n. As a conclusion, the shape of the distribution changes when the degrees of freedom increase, because the distribution is more symmetrical the higher the degrees of freedom are. Thus, (b) is true.

6 0
3 years ago
Which equation represents a line that passes through (2, –1/2) and has a slope of 3?
KIM [24]
Hello,

y+1/2=3(x-2)
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8 0
3 years ago
Read 2 more answers
Work out, giving your answer in its simplest form​
Svetach [21]

Answer:

36

Step-by-step explanation:

⅔ ×3³/5

⅔×18/5

<u> </u><u> </u><u> </u><u> </u><u>1</u><u>0</u><u>×</u><u>5</u><u>4</u><u> </u>=<u> </u><u> </u><u> </u><u>5</u><u>4</u><u>0</u><u> </u><u> </u>

15 15

=36

5 0
1 year ago
To solve the inequality 4x &lt; 8, you would divide both sides of the inequality by 4.
KiRa [710]

Answer:

True

Step-by-step explanation:

4x<8

divide

x<2

4 0
3 years ago
Find the Volume! ^^<br> (Giving brainiest)
Darya [45]

Answer:

The total volume of the composite figure is 420 ft³.

Step-by-step explanation:

I'm not sure but I solved it as fast as I could

I apologize if it's incorrect :(

7 0
1 year ago
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