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evablogger [386]
3 years ago
15

Adding fractions 5 2/3+ 2 4/5

Mathematics
2 answers:
Oliga [24]3 years ago
6 0

The answer is 8 and 7/15

FinnZ [79.3K]3 years ago
4 0

Answer:the answer to this in a fraction form is 127 over 15. in decimal form is 8.466666667

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Select the correct answer.
mylen [45]

Answer:

B

Step-by-step explanation:

3 0
3 years ago
Question 4 options: Find the mean and standard deviation for a binomial distribution with 680 trials and a probability of succes
lys-0071 [83]

Answer:

Mean for a binomial distribution = 374

Standard deviation for a binomial distribution = 12.97

Step-by-step explanation:

We are given a binomial distribution with 680 trials and a probability of success of 0.55.

The above situation can be represented through Binomial distribution;

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

where, n = number of trials (samples) taken = 680 trials

            r = number of success  

           p = probability of success which in our question is 0.55

So, it means X <em>~ </em>Binom(n=680, p=0.55)

<em><u>Now, we have to find the mean and standard deviation of the given binomial distribution.</u></em>

  • Mean of Binomial Distribution is given by;

                    E(X) = n \times p

       So, E(X) = 680 \times 0.55 = 374

  • Standard deviation of Binomial Distribution is given by;

                   S.D.(X) = \sqrt{n \times p \times (1-p)}

                               = \sqrt{680 \times 0.55 \times (1-0.55)}

                               = \sqrt{680 \times 0.55 \times 0.45} = 12.97

Therefore, Mean and standard deviation for binomial distribution is 374 and 12.97 respectively.

3 0
3 years ago
Three out of every five cookies on the cookie treat our oatmeal raisin cookies if there are 45 cookies on the tray predict how m
snow_lady [41]

Answer:

45 divided by 3 equal 15

Step-by-step explanation:

45 Divided by 3 equal 15

4 0
3 years ago
suppose that the population of a deer in state is 1500 and is growing 2% each year. predict the population after 4 years
aleksklad [387]
1500*2%=30
30*4=120
1500+120+1720
1720 deer in 4 years
4 0
3 years ago
The Scenario: Your cousin Caleb has a dog-walking business, and you'd like to start one in your own neighborhood. Caleb has had
lubasha [3.4K]

Answer:

Where the information

Step-by-step explanation:

3 0
2 years ago
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