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Alex_Xolod [135]
3 years ago
14

Help me please now I need to give it today​

Mathematics
1 answer:
Hoochie [10]3 years ago
6 0

9/24=3/8=0.375

42/45=14/15=0.933

84/18=14/3=4.666

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PLEASE HELP ME WITH THIS!!!!!​
nadezda [96]

For the given experiment of spinning a spinner and drawing a card, we will see that:

  • A) Yes, the events are independent.
  • B) P(3 and A) = 1/16
  • C) P(5 and C) = 0
  • D) P(4) = 1/4
  •     P(B or C) = 1/2
  • E) P(3 and not D) = 3/16

<h3>What are independent events?</h3>

We say that two events are independent if the outcome of one does not affect the outcome of the other.

In this case, the outcome of the spinner clearly does not affect the outcome of the card draw, so the events are independent.

<h3>How to get the probabilities?</h3>

B) First we want to get the probability of getting 3 and A.

The probability of getting a 3 when drawing a card is given by the quotient between the numbers of card with the number 3 (only one) and the total number of cards, so we have:

p = 1/4

Similar for the case of the spinner, the letter A appears twice, and there are a total of 8 letters, then the probability is:

q = 2/8 = 1/4

The joint probability is the product of the two individual probabilities, we have:

P(3 and A) = p*q = 1/4*1/4 = 1/16

C) The probability of getting a 5 and the letter C is 0, because there is no card with the number 5.

D) P(4) is the probability of drawing the card with the number 4, this is:

p = 1/4

P(B or C) is the probability of spinning the letter B or C. There are 2 B's and 2 C's, and a total of 8 letters, so the probability is:

q = (2 + 2)/8 = 1/2

E) P(1 and not D) is equal to: P(1 and A or B or C).

P(1) is 1/4.

P(A or B or C) is 6 over 8 (because there are 6 cards that are either an A, a B, or a C)

Then the joint probability is:

P(1 and not D) = (1/4)*(6/8) = 3/16

If you want to learn more about probability, you can read:

brainly.com/question/251701

8 0
2 years ago
If P(not A) = 0.18 and P(A and B) = 0.44, what is P(B given A)?
pickupchik [31]

p(not A)=0.18

p(A&B)= 0.44

A= 0.44- 0.18

  = 0.26

P(B given A)= 0.26+0.18+0.44

                    =0.7

3 0
3 years ago
If (y) varies directly with x, and y=3 when x=0.2, what is the value of (y) when x=1?
Luba_88 [7]
_Brainliest if helped!!

since it varies directly, we form an equation ,  
Y =kX  where k is a constant
use the points given to find K ,
3 =0.2k , k = 15

So to get final answer, 

when x = 1 
y  = kx, = 1(15)
y= 15

Hence when x=1,    < y = 15 > 
4 0
3 years ago
Read 2 more answers
Mr. Schnee is refinancing his home. His loan officer has presented him with the following two offers; it is worth noting that Mr
erastovalidia [21]

The option that best suits him is 4.0% Interest Rate for 30 years with a monthly payment of $ 1,193.54 with $ 10,362 in Closing Costs.

Given that Mr. Schnee is refinancing his home, and his loan officer has presented him with two offers, to determine which offer should he take in order to maximize his benefit, the following calculation must be performed:

A) 4.5% Interest Rate for 30 years with a monthly payment of $ 1,266.71 with $ 256 Closing Costs

1,266.71 x 30 x 12 + 256 = X

1,266.71 x 360 + 256 = X

456,015.60 + 256 = X

456,271.60 = X

B)4.0% Interest Rate for 30 years with a monthly payment of $ 1,193.54 with $ 10,362 in Closing Costs

1,193.54 x 30 x 12 + 10,362 = X

1,193.54 x 360 + 10,362 = X

429,674.40 + 10,362 = X

440,036.40 = X

Therefore, the option that best suits him is 4.0% Interest Rate for 30 years with a monthly payment of $ 1,193.54 with $ 10,362 in Closing Costs.

Learn more about maths in brainly.com/question/25866144

3 0
3 years ago
Can someone please help me with this!!
NeTakaya

Step-by-step explanation:

(-5, - 12) lies on the terminal side of angle \theta

\therefore \: ( - 5 \:  - 12) = (x \: y) \\ r =  \sqrt{ {x}^{2}  +  {y}^{2} } \\  =  \sqrt{ {( - 5)}^{2}  +  {( - 12)}^{2} } \\  =  \sqrt{25 + 144}  \\  =  \sqrt{169}  \\  r= 13 \\  \\  \sin \theta =  \frac{y}{r}  =  -  \frac{12}{13}  \\  \\  \cos \theta =  \frac{x}{r}  =  -  \frac{5}{13}  \\  \\  \tan \theta =  \frac{y}{x}  =   \frac{ - 12}{ - 5}  =  \frac{12}{5}  \\  \\  \csc \theta =  \frac{r}{y}  =  -  \frac{13}{12}  \\  \\  \sec \theta =  \frac{r}{x}  =  -  \frac{13}{5}  \\  \\  \cot \theta =  \frac{x}{y}  =   \frac{ - 5}{ - 12}  =  \frac{5}{12}

6 0
3 years ago
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