5(2x-5) = 1/2(18x+40)
2 answers:
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Answer:
Q1. 1050 miles
Q2. 1h 30m
Step-by-step explanation:
Q1. 1h = 300 miles
3h = 3.5 × 300 miles
= 1050 miles
Q2. 68km = 1h
102km = × 1h
= 1.5h
= 1h 30m
Answer:
C. The president rejects the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.398, when, in fact, the proportion is 0.398.
Step-by-step explanation:
A type I error occurs if you reject the null hypothesis when it is true.
Now the hypotheses are:
The proportion is 0.398
The proportion is less than 0.398
If in actual fact the proportion is 0.398, then the president must not reject the
.
This is a correct decision.
If in actual fact the proportion is 0.398, and the president rejects the, then a type I error is committed.
The correct choice is C.
C. The president rejects the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.398, when, in fact, the proportion is 0.398.
Step-by-step explanation:
A type I error occurs if you reject the null hypothesis when it is true.
Now the hypotheses are:
If in actual fact the proportion is 0.398, then the president must not reject the
This is a correct decision.
If in actual fact the proportion is 0.398, and the president rejects the
The correct choice is C.