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Aleksandr [31]
3 years ago
5

In a large population, 66 out of every 100 people like dogs better than cats. You would like to find out how likely it is a grou

p of cat-lovers from this population will come together by random chance. You decide to use a sampling distribution to help your analysis, and you believe that a sample size of 50 will be large enough to generate your data, so you select 50 people at random to participate in your study.
a) Using the information above, determine the probability of success - that is, the likelihood of an individual preferring cats - for the general population. Enter a number answer only. Round your answer to two decimal places.
b) Using the information above, determine the probability of failure - that is, the likelihood of an individual preferring dogs - for the general population. Enter a number answer only. Round your answer to two decimal places.
c) Using the information above, determine the sample size used in the study.
d) Using the information above, determine the mean of the sampling distribution for all samples of size 50. Enter a number answer only.
e) Using the information above, determine the standard deviation of the sampling distribution for all samples of size 50. Enter a number answer only. Round your answer to two decimal places.
Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
4 0

Answer:

Girl whatattattatattatatat

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Answer:

1200

Step-by-step explanation:

The bookshelf can hold 360 books with thickness 2cm, which is equal to 20 mm. Therefore the total space in mm that can be fit into the bookshelf is 360 * 20 = 7200 mm. To find the amount of books with thickness of 6 mm we can fit, we must divide 7200 by 6. The result is 1200

5 0
3 years ago
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What are the solutions to the following system of equations?<br> y = x2 + 12x + 30<br> 8x – y = 10
atroni [7]
We are given with two solutions: y = x2 + 12x + 30 and 8x – y = 10 and is asked to determinte the solutions of the system of equations. We get y in the second eqn which is equal to 8x -10. we substitute this to first eqn resulting to 
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7 0
3 years ago
Find the surface area of the cylinder. Round your answer to the nearest tenth. radius is 6 ft height is 7 ft
almond37 [142]

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490.1

Step-by-step explanation:

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7 0
3 years ago
What is the answer to 10×26+4×26
Serjik [45]

Answer:

<u>Your answer would be </u><u>364</u><u>.</u>

Step-by-step explanation:

10×26+4×26

=260+(4)(26)

=260+104

=364

<em>Hope that helps!!</em>

6 0
3 years ago
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Which figure appears to have more than 2 lines of symmetry?
Gennadij [26K]

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F

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hfbeehdbwhdbejdmrmij nj ninjunjnjr

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