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Mila [183]
2 years ago
14

Convert 6 Km into decimeter

Mathematics
1 answer:
anyanavicka [17]2 years ago
5 0

Answer:

60000

Step-by-step explanation:

Brainliest ?!?!?!?!

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Please help out !!!!!!!!
Sergio [31]

Answer: D

Step-by-step explanation:

5 0
2 years ago
According to a study conducted by the Toronto-based social media analytics firm Sysomos, of all tweets get no reaction. That is,
amm1812

Complete Question

According to a study conducted by the Toronto-based social media analytics firm Sysomos, 75% of all tweets get no reaction. That is, these are tweets that are not replied to or retweeted (Sysomos website, January ). Suppose we randomly select tweets.

a. What is the expected number of these tweets with no reaction (to the nearest whole number)?

b. What are the variance (to 2 decimals) and standard deviation (to 4 decimals) for the number of these tweets with no reaction? Variance Standard deviation

Answer:

a

The mean is  \mu = 150

The variance \sigma^2 =37.5

The standard deviation is \sigma \approx 6.1237

Step-by-step explanation:

A binomial distribution is mathematically represented as B(n,p)

where n denotes the number of independent trials  =200

    And p denote the probability of success  = 0.75

     We also have the probability of failure which is denoted as q and is equivalent to 1-p

if p and q are constant then

In binomial distribution the probability of x success and (n-x) is mathematically represented as

           P[X =x] =[\left n} \atop x}} \right. ] p^x (1-p)^{n-x}

Where x= 0,1,2,...,n for 0\le p \le 1

Now [\left n} \atop x}} \right. ]  = \frac{n!}{x(n-x)!}

Now the mean(Expected number ) of these probability in binomial distribution is mathematically represented as

                  \mu = np

                     = 200 *0.75 = 150

And the variance is mathematically represented as

                 \sigma^2 = np(1-p)

                    = 200 * 0.75 (1-0.75) = 37.5

And the standard deviation is mathematically represented as

                     \sigma = \sqrt{np(1-p)}

                       = \sqrt{200 *0.75(1-0.75)} =\sqrt{37.5} \approx 6.1237

We can obtain the standard z -score of a d

6 0
3 years ago
Cuanto es la raiz cuadrada 7 x 4 cuando usas la ecuacion de 168?
solong [7]

Answer:

A raiz da equação 2x - 1 = - 3, é: ( U = Z)

Step-by-step explanation:

Cuanto es la raiz cuadrada 7 x 4 cuando usas la ecuacion de 168?

6 0
2 years ago
Trying to help my sister with her homework can some help with #2. Please and thank you so much!
pogonyaev

0.93m= 93 cm

15mm= 1.5 cm

7.5 cm

93x1.5x7.5=1046.25 cm3

7 0
2 years ago
Can you please help me​
Levart [38]

thanks for your help I really think that it's three

5 0
2 years ago
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