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2 years ago

PLEASE HELP THANK YOU

Mathematics

1 answer:

poizon [28]2 years ago

3 0

Answer:

money left= -50•games played + 47.50

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Please answer number 40 pls

kvasek [131]

Answer:

A is the answer

Step-by-step explanation:

m¹⁶/4n¹²

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2 years ago

Someone help, please!

Nikolay [14]

Answer:

(0,3) is one of them but i'm unsure what the other one is

Step-by-step explanation:

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2 years ago

A random sample is selected from a normally distributed population. The following sample statistics are obtained: n = 20, = 30,

Flura [38]

Answer:

b) The margin of error is approximately 3.24

e) The critical value is 1.7921.

Step-by-step explanation:

Step(i):-

Given sample size 'n' =20

Given sample standard deviation 's' = 10

 Margin of error 

The margin of error is determined by

 $M.E = \frac{t_{\alpha } S.D }{\sqrt{n} }$ 

The level of significance ∝ =0.95

The degrees of freedom = n-1 = 20-1=19

t₀.₉₅ = 1.729

$M.E = \frac{1.729 X10 }{\sqrt{20} }$

Margin of error = 3.866

Step(ii):-

 Margin of error 

The margin of error is determined by

 $M.E = \frac{t_{\alpha } S.D }{\sqrt{n} }$ 

Given another sample size n =30

The level of significance ∝ =0.95

The degrees of freedom = n-1 = 30-1=29

t₀.₉₅ = 1.70

$M.E = \frac{1.7021 X10 }{\sqrt{30} } =3.24$

Margin of error = 3.24

5 0

3 years ago

Please help fast I will add more points

jasenka [17]

Answer:

Step-by-step explanation:

Under a reflection in the y- axis

a point (x, y ) → (- x, y ) , then

A(- 1, 3 ) → A'(1, 3 ) → C

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3 years ago

A jar contains 666 red jelly beans, 666 green jelly beans, and 666 blue jelly beans.

Len [333]

Answer:

666/1998 x 665/1997 = 665/5991 or 0.110999833083

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3 years ago