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Sonbull [250]
3 years ago
10

Answer this... Please?? I need to get a 100% on this please!

Mathematics
1 answer:
inn [45]3 years ago
3 0
Range for a is 21
Range for b is 58
B has greater range
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Complete parts ​(a) through ​(c) below.
Yuki888 [10]

Answer:

a)t_{crit}= 1.34

b) t_{crit}=-2.539

c) t_{crit}=\pm 2.228

Step-by-step explanation:

Part a

The significance level given is \alpha=0.1 and the degrees of freedom are given by:

df = n-1= 15

Since we are conducting a right tailed test we need to find a critical value on the t distirbution who accumulates 0.1 of the area in the right and we got:

t_{crit}= 1.34

Part b

The significance level given is \alpha=0.01 and the degrees of freedom are given by:

df = n-1= 20-1=19

Since we are conducting a left tailed test we need to find a critical value on the t distirbution who accumulates 0.01 of the area in the left and we got:

t_{crit}=-2.539

Part c

The significance level given is \alpha=0.05 and \alpha/2 =0.025 and the degrees of freedom are given by:

df = n-1= 11-1=10

Since we are conducting a two tailed test we need to find a critical value on the t distirbution who accumulates 0.025 of the area on each tail and we got:

t_{crit}=\pm 2.228

4 0
3 years ago
Which expression is equivalent to (4x^(3)y^(5))(3x^(5)y)^(2)
marshall27 [118]

Answer:

(4x^3y^5)(3x^5y)^2 = 36*x^{13}y^7

Step-by-step explanation:

Given

(4x^3y^5)(3x^5y)^2

Required

The equivalent expression

We have:

(4x^3y^5)(3x^5y)^2

Expand

(4x^3y^5)(3x^5y)^2 = 4x^3y^5*9x^{10}y^2

Further expand

(4x^3y^5)(3x^5y)^2 = 4*9*x^3*x^{10}y^5*y^2

Apply laws of indices

(4x^3y^5)(3x^5y)^2 = 36*x^{13}y^7

8 0
3 years ago
If X = 14 units and h = 7 units, then what is the area of the triangle shown above?
Romashka-Z-Leto [24]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
How do i solve <br> 3v + 1 + 7v = -12
riadik2000 [5.3K]

Answer:

-1.3

Step-by-step explanation:

3v+1+7v=-12 equation

10v+1=-12 combine like terms

10v=-13 subtract 1 from both sides

v=-1.3 divide by 10

4 0
2 years ago
Read 2 more answers
Let log p/n=6 and log m/n=8 what is the relationship between p and m?
Mrac [35]
By the laws of logs
log p/n =  log p - log n  = 6
log m/n = log m - log n   = 8        subtract
 
 log m - log p =  2
 
log m/p = 2

So m / p = 100 
6 0
3 years ago
Read 2 more answers
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