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Veronika [31]
2 years ago
6

There’s a picture that shows the question please help:(!

Mathematics
1 answer:
Elan Coil [88]2 years ago
6 0

Answer:

A

There were 200 customers per month when the restaurant opened

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A binomial probability experiment is conducted with the given parameters. Compute the probability of x successes in the n indepe
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Answer:

P (X ≤ 4)

Step-by-step explanation:

The binomial probability formula can be used to find the probability of a binomial experiment for a specific number of successes.  It <em>does not</em> find the probability for a <em>range</em> of successes, as in this case.

 

The <em>range</em> "x≤4" means x = 0 <em>or</em> x = 1 <em>or </em>x = 2 <em>or</em> x = 3 <em>or</em> x = 4, so there are five different probability calculations to do.

 

To to find the total probability, we use the addition rule that states that the probabilities of different events can be added to find the probability for the entire set of events only if the events are <em>Mutually Exclusive</em>. The outcomes of a binomial experiment are mutually exclusive for any value of x between zero and n, as long as n and p don't change, so we're allowed to add the five calculated probabilities together to find the total probability.

 

The probability that x ≤ 4 can be written as P (X ≤ 4) or as P (X = 0 or X = 1 or X = 2 or X = 3 or X = 4) which means (because of the addition rule) that P(x ≤ 4) = P(x = 0) + P(x = 1) + P (x = 2) + P (x = 3) + P (x = 4)

Therefore, the probability of x<4 successes is P (X ≤ 4)

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3 years ago
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x axis: -1, 0, -3

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which is the equation of a hyperbola centered at the origin with focus ( 0,4) and vertex (0,sqaure root 12)
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the equation of the hyperbola is y^2/12-x^2/4=1

Step-by-step explanation:

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