Answer:
Step-by-step explanation:
The absolute value of a number is how far away it is from 0 on the number line. Even though is a negative number, the absolute value wouldn't be
, because distance can't be negative. Hence the absolute value of
is
.
Answer:
<h2>0.05543</h2>Step-by-step explanation:
The formula for calculating the margin of error is expressed as;
where;
z is the z-score at 95% confidence = 1.96 (This is gotten from z-table)
p is the percentage probability of those that watched network news
p = 40% = 0.4
n is the sample size = 300
Substituting this values into the formula will give;
Hence, the margin of error for this survey if we want 95% confidence in our estimate of the percent of T.V. viewers who watch network news programs is approximately 0.05543