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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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Gelneren [198K]

Answer:

This is proportional

Step-by-step explanation:

Your slope is 2 each time. To find slop you do rise/run. go to a dot and go up 2 and over 1. Simplify that and you get a slope of 2. Keep doing that for each point then you can determine if it is proportional or not. In this case it is. Hope this helps :)

4 0
3 years ago
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Annette is surveying people in the city about their interest in a new shopping mall. She found that 180 people, or 37.5% of thos
olga nikolaevna [1]
37.5% of 180 people is 67.5 people.
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3 years ago
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What is the answer to 9-x over 5
Kaylis [27]

Answer:

x = - 6

Step-by-step explanation:

Given

\frac{9-x}{5} = 3

Multiply both sides by 5 to clear the fraction

9 - x = 15 ( subtract 9 from both sides )

- x = 6 ( multiply both sides by - 1 )

x = - 6

7 0
4 years ago
there are two identical glasses. one glass is 5/6 full. the other is 3/4 full. water is poured from one glass to the other so th
goldenfox [79]

Answer:

1 7/12

Step-by-step explanation:

because the water was poured to the other glass so it means that we are adding

= 5/6 + 3/4

={(2×5) + (3×3)}/12

that 12 is due to LCM of 6 and 4

={ 10 + 9 }/12

= 19/12

= 1 7/12

those are my thoughts

5 0
4 years ago
A pyramid has a base of 5 and 4 inches and a height of 8 inches. What is the surface area?
andrew11 [14]
5+4 x 8 = 37

37 is the surface area
6 0
4 years ago
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