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kakasveta [241]
2 years ago
6

How to find sample size with confidence interval and standard deviation

Mathematics
1 answer:
mina [271]2 years ago
4 0
In order to estimate the sample size, we need approximate values of p1 and p2. The values of p1 and p2 that maximize the sample size are p1=p2=0.5. Thus, if there is no information available to approximate p1 and p2, then 0.5 can be used to generate the most conservative, or largest, sample sizes.
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The stream of water from a fountain follows a parabolic path. The stream reaches a maximum height of 12 feet, represented by a v
tia_tia [17]

Answer:

y=-3/16(x-8)^2+12

Step-by-step explanation:

Refer to the vertex form equation for a parabola:

y=a(x-h)^2+k where (h,k) is the vertex.

Therefore, we have y=a(x-8)^2+12 as our equation so far. If we plug in (16,0) we can find a:

0=a(16-8)^2+12

0=64a+12

-12=64a

-12/64=a

-3/16=a

Therefore, your final equation is y=-3/16(x-8)^2+12

8 0
3 years ago
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What is the answer to this?
Ket [755]

Answer:

56

Step-by-step explanation:

4 0
3 years ago
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Two numbers have a product of 48 and a sum of 19. What are the numbers??
Elis [28]
16 * 3 = 48

and 

16 + 3 = 19
5 0
3 years ago
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Leo and her on spent 3/4 hour shopping 5/6 hour preparing the pizzas and 11/12 hour cleaning up after the party how many minutes
Aneli [31]

Answer:

150 minutes

Step-by-step explanation:

First we have to express all these fractions of an hour in minutes, then add them and get the total of minutes.

To pass these numbers in hours to minutes, we only have to multiply by 60 because one hour has 60 minutes.

3/4 h =

3/4 * 60 = 45m

5/6 h =

5/6 * 60 = 50m

11/12 h =

11/12 * 60 = 55m

to calculate the total number of minutes we have to add the 3 values ​​that we have

45m + 50m + 55m = 150m

8 0
4 years ago
What is the degree of x4 – 3x + 2?
mihalych1998 [28]

Answer: 4

Step-by-step explanation:

The degree is the highest exponent , in which in this problem it is 4. The 3x counts as an exponent of 1 because the variable x is 1, and the 2 counts as an exponent of zero. Which means the degree is 4.

4 0
4 years ago
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