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Dima020 [189]
2 years ago
5

The swim and diving clubs at Riverdale High School have a total of 55 members and no student is a member of both teams. One-thir

d of the swim team members are seniors and One-fifth of the diving team members are seniors. If there are 13 seniors in the two clubs, how many members does each club have? Let x represent the total number of swim club members and let y represent the total number of diving club members. The equation that represents the total number of members is The equation that represents the total number of seniors is The diving club has more members than the swim club.
Mathematics
2 answers:
Brut [27]2 years ago
9 0

Answer:

The equation that represents the total number of members is

✔ x+ y = 55

.

The equation that represents the total number of seniors is

✔ (1/3)x + (1/5)y = 13

.

The diving club has

✔ 25

more members than the swim club.

Step-by-step explanation:

Elodia [21]2 years ago
5 1

Answer:23

Step-by-step explanation:I just know

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Answer:

Therefore the y-intercept of the function is 4.

Step-by-step explanation:

Intercepts:

The line which intersect on x-axis and y-axis are called intercepts.

y-intercept: The line or function which intersect at y-axis. So when the line intersect at y-axis, X coordinate is zero.

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Step-by-step explanation:

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oksano4ka [1.4K]

Answer:

P(x \geq 6)=P(X=6)+P(X=7)

And we can find the individual probabilities:

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And replacing we got:

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Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

Let X the random variable of interest, on this case we now that:

X \sim Binom(n=7, p=1-0.09=0.91)

The probability associated to a failure would be p =1-0.09 = 0.91

The probability mass function for the Binomial distribution is given as:

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Where (nCx) means combinatory and it's given by this formula:

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And we want to find this probability:

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And replacing we got:

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