identify the hypothesis and conclusion of the following statement: if 2 lines are perpendicular then they form 4 right angles.
1 answer:
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Answer: a) 15, b) 1.
Step-by-step explanation:
A researcher studying public opinion of proposed social security changes obtains a simple random sample of 35 adult Americans and asks them whether or not they support the proposed changes. To say that the distribution of the sample proportion of adults who respond yes, is approximately normal, how many more Americans does the researcher need to sample in the following cases?
(a) 10% of all adult Americans support the changes
Here,
And ,
So, consider the equality, to find the value of 'n'.
So, there are more adult Americans needed.
(b) 15% of all adult Americans supports the changes
Here,
So, again we get that
So, there are more adult Americans needed.
Hence, a) 15, b) 1.
Answer:
C
Step-by-step explanation:
<u>Job A:</u>
- Bonus of $1500
- $120 per day for
days is 120 multiplied by
- Total Payment =
<u>Job B:</u>
- Bonus of $2500
- $110 per day for
- Total Payment =
Solving these 2 equations for would tell us after how many days both job would pay the same. Answer choice C is correct.