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kondaur [170]
3 years ago
11

2. A dog breeder's pricing model includes a per puppy charge along with a fired service fee. A litter with

Mathematics
1 answer:
pychu [463]3 years ago
6 0

The linear function that models the situation is given by:

C(p) = 100 + 12p

------------------------

A linear function for the cost C of taking care of p puppies has the following format:

C(p) = C(0) + ap

In which:

  • C(0) is the fixed cost.
  • a is the slope, which is the cost per puppy.

------------------------

  • With 6 puppies, it costs $172. With 10 puppies, it costs $220. The slope is given by the <u>change in the output(cost) divided by the change in the input(number of puppies)</u>, thus:

a = \frac{220 - 172}{10 - 6} = 12

Thus:

C(p) = C(0) + 12p

------------------------

The cost of $172 with 6 puppies means that when p = 6, C = 172, and we use this to find C(0).

C(p) = C(0) + 12p

172 = C(0) + 12(6)

C(0) = 172 - 72

C(0) = 100

Thus, the linear model is:

C(p) = 100 + 12p

A similar problem is given at brainly.com/question/16302622

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Eric randomly surveyed 150 adults from a certain city and asked which team in a contest they were rooting​ for, either North Hig
Rainbow [258]

Answer:

Proportion = 0.6 or 60 %

Step-by-step explanation:

Given:

- The obtained 95% confidence interval of a sample of adults rooting for North High:

                                         (0.52 , 0.68)

- Sample size n = 150

Find:

What proportion of the 150 adults in the survey said they were rooting for North High​ School?

Solution:

The proportion of adults rooting for North high corresponds to the mean value of interval, as follows:

                             Proportion = ( 0.52 + 0.68 ) / 2

                            Proportion = 0.6 or 60 %

7 0
3 years ago
Hospitals typically require backup generators to provide electricity in the event of a power outage. Assume that emergency backu
JulsSmile [24]

Answer:

a) There is a 10.24% probability that both generators fail during a power outage.

b) There is an 89.76% probability of having a working generator in the event of a power outage, which is not high enough for the hospital.

Step-by-step explanation:

For each emergency backup generator, there are only two possible outcomes. Either they work correctly, or they fail. So we use the binomial probability distribution to solve this problem.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

In this problem we have that:

Assume that emergency backup generators fail 32% of the times when they are needed. So they work correctly 100-32 = 68% of the time. So p = 0.68

There are two generators, so n = 2

a. Find the probability that both generators fail during a power outage

This is P(X = 0)

So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{2,0}.(0.68)^{0}.(0.32)^{2} = 0.1024

There is a 10.24% probability that both generators fail during a power outage.

b. Find the probability of having a working generator in the event of a power outage. Is that probability high enough for the hospital? Assume the hospital needs both generators to fail less than 1% of the time when needed.

Either there are no working generators, or there is at least one working generator. The sum of the probabilities of these events is decimal 1. So

P(X = 0) + P(X \geq 1) = 1

We want P(X \geq 1). So

P(X \geq 1) = 1 - P(X = 0) = 1 - 0.1024 = 0.8976

There is an 89.76% probability of having a working generator in the event of a power outage, which is not high enough for the hospital.

To be high enough for the hospital, this probability should be at least of 99%.

7 0
4 years ago
Is 5 equal to -5 in math
elena-14-01-66 [18.8K]

Answer: No

Step-by-step explanation: If it is talking about the reciprocal then yes. Reciprocal is the opposite of your number.

Example: -4 IS 4 reciprocal.

6 0
3 years ago
Read 2 more answers
Trigonometry<br> Trigonometric Functions<br> Given: Sin θ = (2/3), Find: Cosec θ
rosijanka [135]

Answer:

csc θ = (3/2)

Step-by-step explanation:

Cosecant is just the inverse of sine

8 0
3 years ago
Which value for x makes the open sentence true?
Butoxors [25]
Answer is B. 4

10 * 8 - 3(4) + 4²    <u>></u>     4³ + 4²
     80 -  12  + 16   <u>></u>    64 + 16
                     84    <u>></u>    80

All other choices are should have the inequality of <u><</u> to make the sentence true.
4 0
4 years ago
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