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lutik1710 [3]
2 years ago
11

Solve using the images below:

Mathematics
2 answers:
Julli [10]2 years ago
8 0
Person above me is right
Alex Ar [27]2 years ago
5 0
Time=distance/speed t=150/s
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The Eco Pulse survey from the marketing communications firm Shelton Group asked individuals to indicate things they do that make
Bad White [126]

Answer:

a) There is a probability of 42% that the person will feel guilty for only one of those things.

b)There is a probability of 46% that a randomly selected person will not feel guilty for either of these reasons

Step-by-step explanation:

This probability problem can be solved by building a Venn like diagram for each probability.

I say that we have two sets:

-Set A, for those people that will feel guilty about wasting food.

-Set B, for those people that will feel guilty about leaving lights on when not in a room.

The most important information is that there is a .12 probability that a randomly selected person will feel guilty for both of these reasons. It means that P(A \cap B) = .12.

The problem also states that there is a .39 probability that a randomly selected person will feel guilty about wasting food. It means that P(A) = 0.39. The probability of a person feeling guilty for only wasting food is PO(A) = .39-.12 = .27.

Also, there is a .27 probability that a randomly selected person will feel guilty about leaving lights on when not in a room. So, the probability of a person feeling guilty for only leaving the lights on is PO(B) = 0.27-0.12 = 0.15.

a) What is the probability that a randomly selected person will feel guilty for either wasting food or leaving lights on when not in a room?

This is the probability that the person feels guilt for only one of those things, so:

P = PO(A) + PO(B) = 0.27 + 0.15 = 0.42 = 42%

b) What is the probability that a randomly selected person will not feel guilty for either of these reasons

The sum of all the probabilities is always 1. In this problem, we have the following probabilies

- The person will not feel guilty for either of these reasons: P

- The person will feel guilty for only one of those things:  PO(A) + PO(B) = 0.42

- The person will feel guilty for both reasons: PB = 0.12

So

`P + 0.42 + 0.12 = 1

P = 1-0.54

P = 0.46

There is a probability of 46% that a randomly selected person will not feel guilty for either of these reasons

4 0
3 years ago
A company wants to collect opinions on employee working conditions. Which group of individuals would be the best choice for a ra
makvit [3.9K]

Answer: B

Step-by-step explanation:

3 0
3 years ago
Two rockets, A and B, are shot from two different launch pads. The path of rocket A can be represented by the quadratic function
oksano4ka [1.4K]
<span>A(t) = −(t − 8)2 + 535
You would like to find the maximum of this function:</span> −(t − 8)^2<span>This part is always negative or zero as a number squared cannot be negative and you multiply by -1:  Thus the maximum of this part MAX:</span>−(t − 8)^2=0  
<span>The max will be when t=8 and its value is 535

</span>
4 0
3 years ago
Sketch. Kite qrst has a short diagonal of qs and a ling diagonal of rt. The diagonals intersect at point p. Side qr=5 m and diag
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<u>Answer</u>
4m

<u>Explanation</u>
Δqrp is a right triangle. 
If ps = 6m then, qp = 3m. So we can find line pr using pythagoras theorem. 
rp = √(5²-3²) = √16 = 4m

The Δqrp≡Δqtp.
3 0
3 years ago
Kora has 2 graham crackers and its enough for 1 s'mores. How many s'mores would Kora make if she had 20 graham crackers?
snow_tiger [21]

Answer: 10 Smores

Step-by-step explanation:

All I did was multiply by 10

2×10=20

So...

1×10=10

3 0
3 years ago
Read 2 more answers
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