<span>Write 7.4 as a mixed number and as an improper fraction. Do not try to simplify your answers.
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The answer is 37/5
Answer: One tail test.
Step-by-step explanation:
Given : A sample of 36 observations is selected from a normal population. The sample mean is 12, and the population standard deviation is 3.
Also, The set of hypothesis to conduct a test :-

The kind of test need to perform is dependent upon the alternative hypothesis.
Since, the alternative hypothesis is one tailed (right-tailed), so the test is one tail test.
Answer:
y=2x+3
Step-by-step explanation:
the normal charge is 3 + 2 x number of days so this equation is the correct one.
Answer:
36
Step-by-step explanation:
Answer:
14
Step-by-step explanation:
3*10=30
5*14=70
30+70=100!!!