True or false? If you took a true "if-then" statement and reversed the clauses, the new statement would also be true.

1 answer:

8 0

Reversing the clauses of an "if-then" statement only sometimes makes the new statement true, so it isn't true or false. For example, reversing the clauses of "if 1=x, then x=1" makes the new statement true, but reversing the clauses of "if x=2, then |x|=2" doesn't.

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Step-by-step explanation:

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A field test for a new exam was given to randomly selected seniors. The exams were graded, and the sample mean and sample standa

swat32

All our answers lie in the above statement.

Confidence Level:
The creator claims that 9 out 10 students will have the average score in the said range. Or in other words we can say that the creator is 90% confident about the result of the field test. So the confidence level is 90%.

Margin of Error:
The average score lies within 4% of 70%. This means the margin of error is 4% i.e. the average scores can deviate from 70% by 4% .

Confidence Interval:
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Upper Limit = 70% + 4% = 74%

Interpretation:
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Step-by-step explanation:

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GaryK [48]

Answer:

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Step-by-step explanation:

Define listed price = C

Based on the term, to have the balance on both plan, the equation is 30+90%C = 80+80%C

30+0.9C=80+0.8C
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