A function f on [a, b] is called a step function if there exists a partition P = {a = u0 < u1 < ··· < cm = b} of [a, b]
1 answer:
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Answer:
C. 67.5 to 72.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of
, we have the following confidence interval of proportions.
In which
z is the zscore that has a pvalue of .
The width of the interval is determined by it's margin of error, which is given by the following formula:
So, as n increases, the margin of error decreases, and the interval gets smaller.
Using 10,000 bootstrap samples for the distribution:
We increase the sample size, which means that the interval gets smaller.
We had 67 to 73, since it got smaller, it will be from a value higher than 67 to a value lower than 73.
So the correct answer is:
C. 67.5 to 72.
First off, let's find the 1st term's value, and the 30th term's value,
Answer:
2 Times
Step-by-step explanation:
Light A flashes every 15 seconds.
Light B flashes every 18 seconds.
First, we determine the next time both lights will flash together.
This is done by finding the Least Common Multiple of the two numbers.
15=3X5
18=
LCM of 15 and 18=
This means that both lights will flash together after 90 seconds.
Now, 4 Minutes =4 X 60 =240
240=90+90+60
Therefore, the number of times more both light will flash together in the next 4 Minutes
= 2 Times