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Oksanka [162]
2 years ago
13

Describe the characteristics of each set of numbers that make up the set of integers

Mathematics
1 answer:
Greeley [361]2 years ago
8 0
Numbers I think I'm not that smart
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Answer:

pasta. you're studying physics

Step-by-step explanation:

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Find the missing side. Round to the nearest tenth.
AnnZ [28]

Answer:

B. 29.5

Step-by-step explanation:

Cos=A/H

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x=12/cos66

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What is the area of the rectangle? (area = length x width)
dimaraw [331]

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C. 10 Units

Step-by-step explanation:

Multiply two and five together to get ten. You can get these numbers by counting the amount of space between each dot.

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2 years ago
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Consider a t distribution with 7 degrees of freedom. Compute P(-1.29 < t < 1.29). Round your answer to at least three deci
ss7ja [257]

Answer:

a) 0.76197086

b) -1.73406361

Step-by-step explanation:

a)

Consider a t distribution with 7 degrees of freedom. Compute P(-1.29 < t < 1.29)

P(-1.29 < t < 1.29) would be the area under the t distribution curve with 7 degrees of freedom between -1.29 and 1.29, that is in the interval (-1.29, 1.29).

This can be done the old style by looking up in a table or by using the technology with a spreadsheet.

In Excel, the function TDIST(x,n,2) with x>0 gives the area outside the interval (-x, x) of the t distribution with n degrees of freedom.

So TDIST(1.29,7,2) gives the area outside (-1.29, 1.29).

If we subtract this value from 1 we get the desired result

Hence  

P(-1.29 < t < 1.29) = 1 - TDIST(1.29,7,2) = 1 - 0.23802914 = 0.76197086

In OpenOffice Calc, the function is the same replacing “,” with “;”  

That is

P(-1.29 < t < 1.29) = 1 - TDIST(1.29;7;2) = 0.76197086

b)

Consider a t distribution with 18 degrees of freedom. Find the value of c such that P(t≤ c) = 0.05

We are looking for a point c such that the area of the t distribution with 18 degrees of freedom to the left of c is 0.05

In Excel, the inverse function of TDIST is TINV.  

TINV(p*2,n) with p>0 gives the point c such that the area of the t distribution with n degrees of freedom to the right of c is p.  

Since <em>the t distribution is symmetric with respect to 0</em>, -c would be a point such that the area to the left of -c is p.

So we want to compute  in Excel

-TINV(0.05*2,18) = -1.73406361

In OpenOffice Calc  

-TINV(0.05*2;18) = -1.73406361

3 0
2 years ago
9:37 pm is how<br> many minutes<br> after 9.08 pm?
artcher [175]

Answer:

29 is the answer

Step-by-step explanation:

the answer is 29

4 0
3 years ago
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