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Andrei [34K]
3 years ago
11

Heyy! i’ll give brainliest please help

Mathematics
2 answers:
sergejj [24]3 years ago
6 0

Answer:

Pretty sure you don't capitalize seasons. I guess you can capitalize it when it's the first word of a sentence or part of a proper noun.

ipn [44]3 years ago
3 0

Answer:

Step-by-step explanation:

Always capitalize the names of the seasons

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This is End behavior. I’m not sure how to do it. 50 Points
ICE Princess25 [194]

Answer:

The 2nd option

Step-by-step explanation:

As x approaches postive and negative infinity, y approches negavite infinity

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2 years ago
A bag contains 6 red and 10 black marbles. If you pick a marble, record its color and return it to the bag 200 times, how many t
katrin [286]
125.
16 (10 and 6) divided by 100 is 6.25. Times two is 12.5. (For 200) times 10 for 10 marbles.
4 0
3 years ago
Read 2 more answers
We would like to create a confidence interval.
Vlada [557]

Answer:

c.A 90% confidence level and a sample size of 300 subjects.

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 1-\alpha, we have the confidence interval with a margin of error of:

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

In which

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

In this problem

The proportions are the same for all the options, so we are going to write our margins of error as functions of \sqrt{\pi(1-\pi)}

So

a.A 99% confidence level and a sample size of 50 subjects.

n = 50

99% confidence interval

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.

The margin of error is

M = z\sqrt{\frac{\pi(1-\pi)}{n}} = \frac{2.575}{\sqrt{50}}\sqrt{\pi(1-\pi)} = 0.3642\sqrt{\pi(1-\pi)}

b.A 90% confidence level and a sample size of 50 subjects.

n = 50

90% confidence interval

So \alpha = 0.1, z is the value of Z that has a pvalue of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

The margin of error is

M = z\sqrt{\frac{\pi(1-\pi)}{n}} = \frac{1.645}{\sqrt{50}}\sqrt{\pi(1-\pi)} = 0.2623\sqrt{\pi(1-\pi)}

c.A 90% confidence level and a sample size of 300 subjects.

n = 300

90% confidence interval

So \alpha = 0.1, z is the value of Z that has a pvalue of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

The margin of error is

M = z\sqrt{\frac{\pi(1-\pi)}{n}} = \frac{1.645}{\sqrt{300}}\sqrt{\pi(1-\pi)} = 0.0950\sqrt{\pi(1-\pi)}

This produces smallest margin of error.

d.A 99% confidence level and a sample size of 300 subjects.

n = 300

99% confidence interval

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.

The margin of error is

M = z\sqrt{\frac{\pi(1-\pi)}{n}} = \frac{2.575}{\sqrt{300}}\sqrt{\pi(1-\pi)} = 0.1487\sqrt{\pi(1-\pi)}

6 0
3 years ago
PLZ HELP, WILL GIVE BRAINLIEST!!!
ahrayia [7]

Answer:

i would say a senior citizen ticket i 3 dollars and the child tickets are 5 dollars

Step-by-step explanation:

7 0
3 years ago
What is the y and x intercept and I need to show work
LiRa [457]

Answer:

x=0

y=-14

Step-by-step explanation:

If the equation is y=2x-14,

If x=0,

enter x into the equation

y=2(0)-14

y=0-14

y=-14

6 0
3 years ago
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