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Crank
3 years ago
11

The binomial distribution is appropriate to use to find the probability of the elapsed time between successes.

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
5 0

Answer:

b. False

Step-by-step explanation:

The binomial distribution model allows us to compute the probability of successes when the process is repeated a specific number of times.

The  binomial distribution model is given as;

P(X) = \frac{n_!}{x! (n-x)!} P^x (1-P)^{(n-x)}

n is the number of times the process is repeated,

x is the  the number of successes,

p is the occurrence of the outcome of interest,

Thus, the probability of elapsed time is best determined with Exponential distribution.

Thus, the correct option is "b"

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Mr.Johnson purchased 20 concert tickets for a total of $225. The concert tickets cost $15 for adults and $10 for children under
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Answer:

15

Step-by-step explanation:

Let the number of adult tickets be x while children ticket be y. Since the total tickets were 20 then we can form the equation

x+y=20

Making x the subject then x=20-y

Considering the cost of each ticket

15x+10y=225

Substituting x with 20-y then

15(20-y)+10y=225

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Collecting like terms

300-225=15y-10y

75=5y

Y=75/5=15

To find x, we already know that x=20-y hence x=20-15=5

Therefore, children tickets are 15 while adult tickets are 5.

The question only needs us to know the children tickets, y which is 15

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