Answer:
The need to sample 76 days.
Step-by-step explanation:
We have that to find our 
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of 
.
So it is z with a pvalue of 
, so 
Now, find the margin of error M as such
In which 
is the standard deviation of the population and n is the size of the sample.
How many days do they need to sample
We need to sample n days.
n is found when M = 300.
We have that 
So
Rounding up
The need to sample 76 days.
Answer:
y = x+1
Step-by-step explanation:
Slope-intercept form
(y = mx+b)
m = slope and b = y-intercept
The line crosses the y-axis at (0, 1), therefore the y-intercept (b) = 1
The slope (m) = 1
Because the slope is 1, it does not need to be written in the equation, as any number multiplied by 1 is that number.
Answer:
x = -11
Step-by-step explanation:
Number of the tickets for the qualifying matches:
the number of tickets for the final match
good luck
<span> -8 + 6(b - 1).
= -8 +6b - 6
= 6b - 14
answer </span><span>6b - 14 (third choice)</span>
