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Elenna [48]
3 years ago
5

Select the statement that does not correctly use probability to describe an event

Mathematics
2 answers:
Nina [5.8K]3 years ago
8 0

Answer:

D

Step-by-step explanation:

Probability is, by definition, a number between 0 and 1, which can be expressed as a fraction or a percentage. For example, the odds of getting heads if you throw a fair coin are 50%, or ½. The odds of not getting heads are 1-½=½.

If the probability of something happening is 1, it means that that thing will happen for sure. Likewise, if the probability of an event is 0, it means that the event will never happen.

You can therefore easily understand that it doesn't make sense to have a probability greater than 1, as we have in choice D.

Tresset [83]3 years ago
7 0
The answer is the fourth one .....
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Help me with number 1. Thank you!
Brums [2.3K]
   4k - 3 = 2k + 5
       + 3          + 3
-------------------------
   4k  =  2k  +  8
  -2k    - 2k                          
-------------------------
   2k = 8
 ------ -----
    2     2
 
    k = 4

You can also do it this way:

   4k - 3 = 2k + 5
 - 4k       - 4k
------------------------
  -3 = -2k + 5
  -5            - 5
------------------------
 -8 = -2k
-----  ------
 -2     -2

4 = k

As you can see, you will get the same answer either way you figure it out :)
6 0
4 years ago
n a right triangle, the tangent of angle A is 912 and the cosine of angle A is 1215. Based on these values, what is the sine of
Allisa [31]

Answer:

Option A sin(A)=\frac{9}{15}

Step-by-step explanation:

we know that

tan(A)=sin(A)/cos(A)

Solve for sin(A)

sin(A)=tan(A)cos(A)

we have

tan(A)=\frac{9}{12}

cos(A)=\frac{12}{15}

substitute

sin(A)=\frac{9}{12}(\frac{12}{15})

sin(A)=\frac{9}{15}

5 0
3 years ago
you have $200 in a savings account.Each week for 8 weeks, you take out $18 for spending money. How much money is in your account
ivolga24 [154]

Answer:

$56

Step-by-step explanation:

Since you are doing this for 8 weeks, you multiply 8 by 18 and you get 144. You then subtract 144 from 200 and get 56 dollars.

Hope this helped!

7 0
3 years ago
The booster club needs to raise at least $9,000 for new football uniforms. So far, they have raised $1,240. Enter an inequality
astraxan [27]

Answer:

6,000000000000 6, 0000000000

Step-by-step explanation:

ejjekek mnddbn jeiirjejrjrj kei arrrroound wchiqjw continue with your family and friends and family and friends and family and friends and family and friends and family and family

7 0
3 years ago
If i have a 74.23% in math class and i get a 0 on a Summative Assignment, what is my new grade?
Talja [164]
Not good, at all man, you should really invest in a tutor.
5 0
4 years ago
Read 2 more answers
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