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Novay_Z [31]
2 years ago
15

Can you answer these two questions please 10 points

Mathematics
1 answer:
ioda2 years ago
6 0
I don’t understand either
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Can anyone help me with this equation? I’m so lost. Thanks in advance
jeyben [28]

The measure of angle  <em>x </em> is 31 degrees.

See the attached drawing.

Start at the bottom, at the given 59° angle, and work your way up in the direction toward the angle  <em>x </em>.

6 0
3 years ago
When purchasing bulk orders of​ batteries, a toy manufacturer uses this acceptance sampling​ plan: Randomly select and test 56 b
nydimaria [60]

Answer:

98.1% chance of being accepted

Step-by-step explanation:

Given:

sample size,n=56

acceptance condition= at most 2 batteries do not meet specifications

shipment size=7000

battery percentage in shipment that do not meet specification= 1%

Applying binomial distribution

<h3>P(x)=∑ᵇₐ=₀ (n!/a!(n-a)!)p^a (1-p)^(n-a)</h3>

In this formula, a is the acceptable number of defectives;

 n is the sample size; 

p is the fraction of defectives in the population.  

Now putting the value

a= 2

n=56

p=0.01

\frac{56!}{0!\left(56-0\right)!}\left(0.01\right)^0\:\left(1-0.01\right)^{\left(56-0\right)} + \frac{56!}{1!\left(56-1\right)!}\left(0.01\right)^1\:\left(1-0.01\right)^{\left(56-1\right)} +\:\frac{56!}{2!\left(56-2\right)!}\left(0.01\right)^2\:\left(1-0.01\right)^{\left(56-2\right)}

=0.56960+0.32219+0.08949

After summation, we get 0.981 i.e. a 98.1% chance of being accepted.  As this is such a high chance, we can expect many of the shipments like this to be accepted!

7 0
3 years ago
Function or not a function?
Taya2010 [7]

Answer:Function

Step-by-step explanation:Because each x variable is pointing to a diffrent range

8 0
3 years ago
If the exchange rate of 1 dollar is rs 72.45, how many dollar can be exchanged for rs 1449?
Shalnov [3]

Answer:

20

Step-by-step explanation:

1449÷72.45=20

4 0
2 years ago
Explain how bacteria are both helpful and harmful to out bodies ​
Pavel [41]

Answer:

Step-by-step explanation:

Bacteria is helpful because it helps protect the cells in your intestines. Its, harmful because itI can cause a disease in your lungs.

Hope this helps!

8 0
3 years ago
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