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2 years ago

A bus can hold 108 passegers. If there are 12 rows of seats on the bus, how many seats are in each row?

Mathematics

2 answers:

bearhunter [10]2 years ago

8 0

The answer is 9 seats in each row

for 12 rows *9 seats in each row = 108 seats in all or passengers maximum

zmey [24]2 years ago

3 0

You have to divide
108/12
=9

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3 years ago

Question 4 options: Find the mean and standard deviation for a binomial distribution with 680 trials and a probability of succes

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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

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So, it means X ~ $Binom(n=680, p=0.55)$

Now, we have to find the mean and standard deviation of the given binomial distribution.

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Standard deviation of Binomial Distribution is given by;

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3 years ago

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