Divide 7 by 12
which would give you 0.58
so that’s 58%
Are you have to do now that I have some multiplication is 36+72 that will give you your answer
Answer:

Step-by-step explanation:

Answer:10.8 units
Step-by-step explanation:
A critical value is the point on the scale of the
test statistic (z test in this case) outside which we reject the null
hypothesis, and is taken from the level of significance of the test. The critical
values can be obtained from the standard distribution tables for z and for this
case, it is equivalent to:
critical value zα/2 at 98% confidence level = 2.326
Answer: 2.326
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