Question

When Jonas becomes the Receiver of Memory, he gets a rule that he may not tell his dreams. He wants to know how many of his 50 classmates have the same rule. He asks 5 friends from his class whether they may tell their dreams. Of those, 4 say that they may.
Based on this data, which of the following conclusions are valid?
Choose 1 answer:
(Choice A)
A
About 80% percent of all of Jonas's classmates may tell their dreams.
(Choice B)
B
About 80%, percent of all people in Jonas's community may tell their dreams.
(Choice C)
C
80%, percent of the classmates in this sample may tell their dreams, but we cannot conclude anything about the population.

Answer 1

Given : jonas wants to know how many of his 50 classmates have the same rule.  He asks 5 friends from his class whether they may tell their dreams.

To find : Choose correct conclusion

Solution:

Sample Size  = 5 friends ( class mates)

population size = 50  Classmates

4 out of 5 => (4/5) * 100 = 80%  

=>  About 80% percent of all of Jonas's classmates may tell their dreams.

B  About 80%, percent of all people in Jonas's community may tell their dreams.  is not correct as sample is taken from Class only

hence population should belong to class only

80%, percent of the classmates in this sample may tell their dreams, True but we cannot conclude anything about the population - False  as random Sample size is taken just to get idea  about population .

Correct answer is

Choice A)

About 80% percent of all of Jonas's classmates may tell their dreams.

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Answer 2

Answer:

the answer is c

Step-by-step explanation: