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Serga [27]
3 years ago
10

Find the equation of the line below.

Mathematics
2 answers:
UNO [17]3 years ago
5 0

y=5x is your answer :)

ASHA 777 [7]3 years ago
5 0

Answer:

D is the answer (y=1/5x)

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Suppose that in a random sample of 300 employed Americans, there are 57 individuals who say that they would fire their boss if t
otez555 [7]

Answer:

The 95% confidence interval for the population proportion is (0.1456, 0.2344). This means that we are 95% sure that the true proportion of employed American who say that they would fire their boss if they could is between 0.1456 and 0.2344.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

n = 300, \pi = \frac{57}{300} = 0.19

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.19 - 1.96\sqrt{\frac{0.19*0.81}{300}} = 0.1456

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.19 + 1.96\sqrt{\frac{0.19*0.81}{300}} = 0.2344

The 95% confidence interval for the population proportion is (0.1456, 0.2344). This means that we are 95% sure that the true proportion of employed American who say that they would fire their boss if they could is between 0.1456 and 0.2344.

4 0
3 years ago
For the month of March in a certain city, 57% of the days are cloudy. Also in the month of March in the same city, 55% of the da
oksian1 [2.3K]

Answer: 0.9649

Step-by-step explanation:

Let A denote the event that the days are cloudy and B denotes the event that the days are rainy.

Given : For the month of March in a certain city, the probability that days are cloudy :P(A)=0.57

Also in the month of March in the same city,, the probability that the days are cloudy and rainy :P(A\cap B)=0.55

Now by using the conditional probability, the probability that a randomly selected day in March will be rainy if it is cloudy will be :-

P(B|A)=\dfrac{P(A\cap B)}{P(A)}

\Rightarrow\ P(B|A)=\dfrac{0.55}{0.57}\\\\=0.964912280702\approx0.9649\ \ \text{[Rounded to four decimal places.]}

Hence, the probability that a randomly selected day in March will be rainy if it is cloudy = 0.9649

4 0
3 years ago
Determine the center and radius of the following circle equation:
ycow [4]
Center: (6, -6)
Radius: 7
3 0
3 years ago
Read 2 more answers
Ant has 6 legs, how many ants could there have been if she saw between 35 and 50 legs
faust18 [17]

If an ant has six legs, then:

  • Two ants have 12 legs
  • Three ants have 18 legs
  • Four ants have 24 legs
  • Five ants have 30 legs
  • Six ants have 36 legs
  • Seven ants have 42 legs
  • Eight ants have 48 legs
  • Nine ants have 54 legs

So, if you saw between 35 and 50 legs, there are between six and eight ants.

3 0
3 years ago
2. A shoreline is eroding at a rate of 3 foot per 3 months. How many feet are eroding pet
Wittaler [7]
3 months happens 4 times in a year, and so does the 1/3 foot of erosion. 4 times 1/3 foot = 4/3 feet. That's 1-1/3 feet, or 1 foot 4 inches.
3 0
3 years ago
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