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postnew [5]
3 years ago
10

Can someone please explain how to do this problem for me?

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
3 0

Answer: The other person eats 5/6ths of a pizza

Step-by-step explanation:

put it into sixths

DIA [1.3K]3 years ago
3 0

Answer:

5 /6

Step-by-step explanation:

may be 5/ 6 is the correct one

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A random sample of 146 recent donations at a certain blood bank reveals that 81 were type A blood. Does this suggest that the ac
Tju [1.3M]

Answer:

We reject H₀  the actual percentage of type A donations differs from 40%

Step-by-step explanation:

Sample information:

sample size   n = 146

Type A   x₁  =  81   and   p₁  = 81 / 146     p₁  =  0,5547

then  q₁   =  1 - p₁    q₁  =  1  -  0,5547    q₁  =  0,4453

We choose as significance level  α  = 5%  α = 0,05   α /2  = 0,025

from z-table we find   z (c) = 1,96

National % of the population  ( μ  = 40 %  μ = 0,4 )

Test hypothesis

Null hypothesis                           H₀           p₁  =  μ

Alternative Hypothesis              Hₐ           p₁   ≠ μ

The Alternative hypothesis indicates that the test is a two-tail test

z(s) =  ( p₁  -   μ )/ √ p₁*q₁ / n

z(s) =  ( 0,5547  -  0,40 )/ √ 0,5547*0,4453 / 146

z(s) =  0,1547 / 0,041

z(s) = 3,77

Comparing  z(s)  and z(c)

z(s) > z(c)  

z(s) is in the rejection region. We reject H₀. Sample does not give evidence to support that the actual percentage of type A donations is equal to the national population

6 0
3 years ago
Solve the following system of equations graphically on the set of axes below.
ikadub [295]

Answer:

Step-by-step explanation:

I can't use the same graph that you have supplied, but I can show you what the answer looks like. Just use two points from my answer that will fit on your graph. Suggest points

Red line: (7,0) and (3,6)

Blue line: (3,0) and (0,3)

8 0
2 years ago
The angle \theta_1θ 1 ​ theta, start subscript, 1, end subscript is located in Quadrant \text{III}IIIstart text, I, I, I, end te
Vlad1618 [11]
So the answer is 4 I’m right u wrong ok I’m tell the truth trust me I got 5 hearts this morning
8 0
2 years ago
I have to turn this in at 5:00 pls help!!!
Georgia [21]
It would be 2/5

There’s 12 bass fish and 30 fish overall

Which equals:
12/30

And then if you simplify 12/30 you get 2/5
3 0
3 years ago
Draw and label point W. Draw and label line XY. Draw and label a plane K
mafiozo [28]

Answer:

b a pex

Step-by-step explanation:

3 0
3 years ago
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