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Dennis_Churaev [7]
3 years ago
10

Find the slope (5,9) and (3,-7)

Mathematics
1 answer:
belka [17]3 years ago
5 0

Answer:

Positive 8 I answered your other one too

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According to a report, 11 people got colds for every 2000 people.
lianna [129]

Answer:

Probability that one or more people in Arbalest got a cold is 0.9987.

Step-by-step explanation:

We are given that according to a report, 11 people got colds for every 2000 people.

There are 1200 people in the town of Arbalest.

The above situation can be represented through binomial distribution;

P(X =r) = \binom{n}{r} \times p^{r} \times (1-p)^{n-r};x=0,1,2,3,......

where, n = number of trials (samples) taken = 1200 people

           r = number of success = one or more people got a cold

           p = probability of success which in our question is probability  

                 that people got colds, i.e; p = \frac{11}{2000} = 0.55%

Let X = <u><em>Number of people in Arbalest who got a cold</em></u>

So, X ~ Binom(n = 1200 , p = 0.0055)

Now, Probability that one or more people in Arbalest got a cold is given by = P(X \geq 1)

                     P(X \geq 1) =  1 - P(X = 0)  

                                  =  1- \binom{1200}{0} \times 0.0055^{0} \times (1-0.0055)^{1200-0}

                                  =  1- (1 \times 1 \times 0.9945^{1200})

                                  =  0.9987 or 99.87%

Hence, the required probability is 99.87%.

8 0
3 years ago
Help with homework please
BabaBlast [244]

Answer:

1

Step-by-step explanation:

Start at -0.5 and go toward 0.5.

From -0.5 to zero, it's a distance of 0.5.

From zero to 0.5, it's also a distance of 0.5.

Add the two distances, 0.5 + 0.5 = 1.

The distance between -0.5 to 0.5 is 1.

6 0
3 years ago
Comparing Step Functions
maks197457 [2]

Hello, if you want help I can help you!

So, your answers should be A and D

If I'm wrong correct me.

5 0
3 years ago
Read 2 more answers
I NEED HELP ITS DUE IN A FEW MINUTES HHHHEEELLLLPPP
mel-nik [20]

Answer:

Question 11 - B

Question 12 - C

Step-by-step explanation:

11). 4 chairs per table --> B

  • 120/30 = 4

12). The 24 pack is a better buy (C).

  • 12 pack - 0.3333 per can
  • 24 pack - 0.3125 per can <-- cheaper

8 0
2 years ago
Please help me I don't understand. If you could also explain I'll give brainiest.
Xelga [282]

Answer:

use the formula for area of the trapezium

and apply the given values in the question.

and give the answer in centimetre square

7 0
3 years ago
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